HomeMy WebLinkAboutResolution No. 2001-02 �
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RESOLUTION N0. R2001-02
A RESOLUTION OF THE CITY OF FRIENDSWOOD, TEXAS,
ADOPTING TIiE GROUND WATER REDUCTION PLAN DATED
JANUARY 2001 AS PREPARED BY KLOTZ ASSOCIATES.
* * * * * * * *
BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF FRIENDSWOOD, TEXAS:
Section 1. That the City of- Friendswood adopts the Ground Water Reduction
Plan dated January 2001 as prepared by Klotz Associates and authorizes the
City Manager to submit to the Harris-Galveston Coastal Subsidence District,
a
(HGCSD) for their acceptance.
Section 2. This Groundwater Reduction Plan will meet the requirements of
the Harris-Galveston Coastal Subsidence District, Regulatory Plan of a
conversion to 80% surface water supply with the City of Friendswood
Groundwater Withdrawal Permit beginning October 2002.
PASSED, APPROVED AND RESOLVED this the 22nd day of January, 2001.
Harold L. Whitaker
Mayor
ATTEST:
C
:
. �
Deloris McKenzie, TR C
City Secretary
R2001-02/LST03
ENGINEERING REPORT
� FOR
� GROUNDWATER REDUCTION PLAN
� CITY OF FRIENDSWOOD
JANUARY 2001
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Prepared by
'� HIotz Associates, Inc.
1160 Dairy Ashford, Suite 500
,_ Houston, Texas 77079
Klotz Associates Project No. 40701
KLOTZ
� ASSOCIATES,
I N C.
�o�s��r,N�
ENG�NEERS
ENGINEERING REPORT
� GROUNDWATER REDUCTION PLAN
CITY OF FRIENDSWOOD
� TABLE OF CONTENTS
„� Pa_ge No.
ExecutiveSummary.............................................................................................................1
�
Section 1 -Introduction.......................................................................................................4
l.l Authorization
� 1.2 Scope
1.3 Background Information
1.3.1 HGCSD District Regulatory Plan
�,. 1.3.2 City of Friendswood Planning Report
Section2-Population.........................................................................................................5
.,�, 2.1 Existing Population
2.2 Population Density
2.3 Population Projections
Section 3 -Historic Water Use............................................................................................8
3.1 Water Pumping Records
�-. 3.2 Per Capita Water Use Rates
3.3 Annual Rainfall
-- Section 4-Future Water Demand.......................................................................................9
4.1 Projected Future Water Demand through 2030
4.2 Annual Consumption
-- 4.3 Future Demand Considerations
Section 5 -Operating Scenarios........................................................................................12
°- 5.1 Historic Data
5.2 Factors Affecting Future Operations
5.2.1 Ground Water Use
— 5.2.2 Limitations of Existing Ground Water Facilities
5.2.3 City of Houston Surface Water Supply
5.3 Future System Operations
"�' S.4 Future Surface Water Needs
Klotz Associates Project No.40701 TOC- 1 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan
KLOTZ
,�„ ASSOCIATES,
I N C.
�oNS� �T�N�
EN�,NEERs
Pa�
"_" Section 6—Proposed Improvements...................................................................................15
6.1 Beamer Road Pump Station
6.2 Trunk Water Main
�"" 6.3 Other Water System Improvements
6.3.1 West Side Elevated Storage Tank
6.3.2 Blackhawk Pump Station—Ground Storage Tank
'� 6.4 Proposed 2003 Water System Improvements
6.4.1 Southeast Water Treatment Plant Capacity
6.4.2 Distribution System Improvements
� 6.5 Proposed 2005 Water System Improvements
6.5.1 Beamer Road Pump Station Phase II
� 6.5.2 Distribution System Improvements
6.5.3 Booster Pump Station—Valves and Controls
Section 7— Schedule and Finance .....................................................................................19
� 7.1 Water Department Operating Budget
7.2 Capital Projects Construction Cash Flow
� 7.3 Project Financing
Section 8 —Conservation Measures...................................................................................23
8.1 Water Use Restrictions
� 8.2 Public Education and Information
8.3 Water Fixtures and Appliances
�,,, 8.4 Meter Repair and Replacement and Universal Metering
8.5 Leak Detection and Repair
8.6 Recycling and Reuse
,,_, 8.7 Water Rates
8.8 Recommendations
_. Section 9—Water Rate Study............................................................................................25
9.1 Historic Water Consumption
9.1.1 Water Pumping Records
.�.. 9.1.2 Billing Records
9.1.3 Water Consumption Records
9.2 Water Department Cost Projection
— 9.3 Rate Increase Alternatives
9.4 Rate Recommendations
-- Section 10—Groundwater Reduction Plan........................................................................32
10.1 Surface Water Supply 2002
10.2 Surface Water Supply 2007
�
Klotz Associates Project No.40701 TOC-2 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan
KLOTZ
� ASSOCIATES,
I N C.
�oN ���r�N�
ENGINEERS
List of Tables
� 2-1 Population Projections
3-1 Historical Pumpage Data
�, 3-2 Historical Peaking Factors
4-1 Estimated Future Annual Consumption at 136 GPCD
4-2 Future Water Demand at 136 GPCD
�,,,, 5-1 Groundwater Supply
5-2 Future Water Usage Year 2030
6-1 Southeast Water Treatment Plant Co-Participant Costs—Friendswood
m,,, 7-1 Construction Cash Flow
7-2 Future Water Operations Expenditures Including Debt Service
9-1 Current Billing Rate Levels
,� 9-2 Water Use per Billing Rate
9-3 Future Water Operations Expenditures Including Debt Service
9-4 Water Rate Comparison
_. 9-5 Water Rate Study
9-6 Projected Water Bills with the Current and New Rate Structure
10-1 Construction Schedule
,... 10-2 Anticipated Surface Water and Groundwater Demand
Exhibits
1 Area Map Proposed Improvements
2 Proposed Beamer Road Pump Station
�
Appendices
•-- A Water Pumpage Records for 1995 to 2000
B Water Billing History Summary
C Future Water Consumption Possibilities
-- D Cost Estimates
E Water Operations Expenditures
F Design Calculations
�" G Rate Study
�
Klotz Associates Project No.40701 TOC-3 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan
KLOTZ
.�, ASSOCIATES,
I N C.
CONSU �,T�NG
EhG!NEERS
ENGINEERING REPORT
GROUNDWATER REDUCTION PLAN
"' CITY OF FRIENDSWOOD
'�" Executive Summary
This report was prepared in accordance with the District Regulatory Plan adopted the Harris-
�'" Galveston Coastal Subsidence District for reduction in groundwater withdrawal as required
by Senate Bill 1 (1997 Texas State Legislature) and certified by the Texas Water
Development Board in August of 1998. This report reviewed the existing facilities and
" service needs of the City of Friendswood, projected the future water demands, and identified
the necessary improvements to reduce the groundwater withdrawal to 20% of the total water
�
demand.
Three population projections were evaluated for this report based on various growth rates.
Due to the land-locked nature of Friendswood, a build-out population of 57,400 was
� determined, and the projection rates show build-out occurring between 2012 and 2020. For
planning purposes the population projections from the City's Vision 2020 report were used.
""'" The historical water usage was examined to determine future trends in water use.
Historically, the water use per capita is directly related to the amount of rainfall received
each year, and it fluctuates from year to year based on the rainfall amount. A per capita
�' consumption rate of 136 GPCD was used to project future water demand for the City of
Friendswood.
�' The design maximum water demand was calculated based on the build-out population and
the per capita rate of 136 gallons per capita per day (GPCD). This demand was used as the
� base of design for all improvements. Based on maximum day conditions for future usage
and the Subsidence District requirements, the total supply required by the City of
Friendswood at the build-out population would be 16.8 million gallons per day (MGD).
� The City of Friendswood is currently using approximately 62% surface water and 38%
ground water. The existing wells, storage tanks, and booster pumps were assessed to
� determine their maximum safe yield production, storage, and distribution abilities. The
existing Friendswood wells have a capacity of 8.0 MGD and a safe long-term yield of 5.0
MGD. The total booster pump capacity is 12.0 MGD, and the ground storage tank capacity
,,,_ is 2.65 MG. These values were used to calculate the maximum ground water available to the
system. The surface water supply from the City of Houston was reviewed to determine the
maximum surface water available. The future demand will be met with 11.8 MGD of
surface water and 5.0 MGD of ground water.
The proposed improvements to the system were determined by the difference between the
„.. amount of water needed for build-out conditions and the safe yield of the existing supply
Klotz Associates Project No.40701 1 City of Friendswood,Texas
s'� January 2001 Groundwater Reduction Plan
KLOTZ
_ ASSOCIATES,
I N C.
�ONS��,iN�
ENGiNEERS
from wells and surface water supply lines. A plan was prepared to complete construction of
the proposed improvements between 2001 and 2005 that would cover the future water
°°�" demand of the City. The plan incorporated plans by the City of Houston to construct a new
surface water supply line. Friendswood is buying more surface water capacity from the City
of Houston.
The proposed improvements for the next five years include several facilities. To meet the
ground water reduction requirements the following will be required:
`�` • A new pump station on Beamer Road would be constructed in two phases. Phase I will
have the capacity to transfer 6.0 MGD, of surface water into the City of Friendswood
water distribution system. Phase I of the pump station would include a one million-
� gallon ground storage tank, two 4000 gallon per minute (GPM) variable speed pumps,
one 4000 GPM constant speed pump, an emergency generator to operate two pumps, and
�
the associated building, electrical equipment and necessary piping. This phase would be
completed in 2002.
�
• Phase II of the Beamer Road Pump Station includes improvements to increase the
capacity of surface water to 12.0 MGD. It would include the addition of a second one
million-gallon ground storage tank and a 4000 GPM variable speed pump. These
�, improvements would be operational in 2006.
• A new trunk water main would be constructed to carry the water from the new pump
},�„ station. This 24-inch main would run from the pump station along Beamer Road south
to FM 2351, then west to the intersection of Blackhawk and Edgewood where it would
tie in to the existing 16-inch and 12-inch mains. The trunk water main would be
,�. installed and complete in 2002.
Other water system improvements need to meet the build out demand include:
.�. • A new one million-gallon elevated storage tank would be erected on the west side of
town to meet the TRNCC elevated storage requirements for the current and build-out
population. This tank would be located at the existing water plant in Sun Meadow
� Subdivision, and it would be placed in service in 2002.
• An additiona10.5-MG ground storage tank would be added to the Blackhawk Pump
t° Station in 2002.
As recommended in the City water plan prepared in 1998, three projects to improve the
^- distribution system would begin construction in 2003.
• These include a 14-inch water main on West Bay Area Boulevard from FM 528 to Clear
Creek, an 8-inch water main from Bay Area Boulevard to the Blackhawk Wastewater
" Treatment Plant, and a 12-inch water main in Rancho Viejo from West Bay Area
Boulevard to FM 518.
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Klotz Associates Project No.40701 2 City of Friendswood,Texas
^�— January 2001 Groundwater Reduction Plan
K LOTZ
„�, ASSOCIATES,
I N C.
C O N 5 U l T i N G
ENGiNEERS
• Distribution system improvements to upgrade 13,000 feet of existing 12-inch lines to
"" eliminate leaks and improve circulation are scheduled for 2005.
• The installation of valves and controls and various booster pump stations to adjust the
operation due to the increased surface water usage will occur in 2005.
The cost for each project described above was estimated to determine the necessary revenue
to finance the necessary improvements. Taking into account the growing population of
" Friendswood and the inflation rate, the proposed projects will be paid for with three
proposed bond issues. The three bond issues would be $5,977,000 in 2001, $10,278,080 in
2003, and $2,233,000 in 2005.
In addition to the proposed improvements, conservation measures are recommended to
�
reduce the overall demand of water in the City. Water use restrictions will be implemented
to regulate the amount of water used to irrigate landscaping, and educating the water
customers on simple water-saving methods could possibly reduce consumption.
� The operating expenses and debt service costs for the Friendswood Water Department were
projected through the year 2010. An increase in water rates of 15%will be required to
� insure adequate revenue through the year 2010. It is recommended that the rate structure be
changed to a uniform or constant rate structure as opposed to the existing descending rate
structure. The proposed rates lower the base rate minimum to $12.00 per month for the first
� 3000 gallons of water used, with a rate of$2.61 per 1000 gallons for all water above 3000
gallons per month.
�
Klotz Associates Project No.40701 3 City of Friendswood,Texas
� January 2001 Groundwater Reduction Plan
KLOTZ
,� ASSOCIATES,
i N C.
�oNS� �T���
ENGiNFERS
Section 1 —Introduction
� l.l Authorization
This report was prepared in accordance with the Klotz Associates proposal dated June 14,
'°` 2000. A contract based on that proposal was subsequently approved by the City of
Friendswood City Council and executed by the Mayor of Friendswood, Harold Whitaker, on
June 20, 2000.
1.2 Scope
" The purpose of this project is to develop a Groundwater Reduction Plan for the City of
Friendswood that will meet the criteria of the District Regulatory Plan adopted by the
Harris-Galveston Coastal Subsidence District.
In this report, estimates of the population of Friendswood and the annual water consumption
through the year 2030 are presented, and the capital improvements required to accomplish
�` the required reduction of groundwater withdrawal are defined. This report presents
recommendations for water conservation measures, and it develops a revised water rate
structure to finance the operation, maintenance, and capital improvements for the City of
� Friendswood water utility.
1.3 Background Information
1.3.1 HGCSD District Regulatory Plan
� The Harris-Galveston Coastal Subsidence District prepared a District Regulatory
Plan that was adopted on April 14, 1999. This plan establishes the policy in regard
,� to groundwater regulation,permits, and enforcement, and it defines the District
regulatory areas and the requirements for each area in the District.
� The District's Regulatory Plan has been developed through the year 2030 with an
overall goal to reduce groundwater withdrawal to no more than 20% of the total
water demand for permittees in Area 2. This is in accordance with Senate Bill 1
,,,._ (1997 Texas State Legislature)that was certified by the Texas Water Development
Board in August of 1998.
� The Groundwater Reduction Plan for the City of Friendswood is designed to meet
these regulations.
Klotz Associates Project No.40701 4 City of Friendswood,Texas
-- January 2001 Groundwater Reduction Plan
KLOTZ
,,� ASSOCIATES,
I N C.
�aNS� �,���
ENGiNEERS
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1.3.2 City of Friendswood Planning Report
�- The City of Friendswood prepared a planning report entitled "Vision 2020, Strategic
Vision for Friendswood, Texas" in November of 1998. The purpose of this report
was to develop a strategy for guiding the ultimate development of Friendswood.
'�' Vision 2020 proposes suggestions to maintain the quality of life as the city becomes
built-out. Some information from the Vision 2020 report was used for this
Groundwater Reduction Plan.
Section 2-Population
'"" 2.1 Existing Population
No current census information on the existing population was available. The existing
� population was projected from the 1989 census data using the three different growth rates
defined in Section 2.3 Population Projections. In preparation of the Vision 2020 Report, the
City staff developed the existing population information used in the analysis of the water
"� demand data.
2.2 Population Density
The City of Friendswood has maintained a unique quality of life. The City's zoning
�
ordinance requires larger lot sizes than are typically found in neighboring cities in
Galveston, Brazoria, and Harris Counties. The larger lot size has created a distinctive
ambiance for Friendswood, and the larger lot size results in a lower population density
� compared to surrounding suburban cities.
Friendswood is land locked by Houston, League City, Pearland and Alvin. It is estimated
�
that the City of Friendswood will reach complete build out between 2010 and 2020.
2.3 Population Projections
•.-
Three different population projections were evaluated for this report. The City of
Friendswood determined that the population of Friendswood at complete build out would be
,,_, 57,400. Three growth rates were used to predict the future annual populations until the
maximum population was reached. This is shown in Table 2-l.
,.., The Vision 2020 report cited a projected growth rate of 4.80%. This would result in build
out in 2012. A memo prepared by Chief Jared D. Stout of the Police Department dated
February 13, 1998, was used in the Vision 2020 report. The meino cited the 1989 census
..� population, and the estimated populations based on the number of new dwellings through
1997.
Klotz Associates Project No. 40701 5 City of Friendswood,Texas
— January 2001 Groundwater Reduction Plan
KLOTZ
p,� ASSOCIATES,
I N C.
�oNS��r�N�
ENGiN: ERS
...k
The historic growth rate from 1990 to 1998 is 3.04%based on Chief Stout's memo. Build
out would occur in 2020 using this growth rate. The Texas Water Development Board's
"° projection uses a rate of 3.75%with build out occurring in 2017.
�
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�
�
M
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Klotz Associates Project No.40701 6 City of Friendswood,Texas
-- January 2001 Groundwater Reduction Plan
"` Table 2-1
Population Projections
City of Friendswood
°- Groundwater Reduction Report
-- Date Vision 2020 Re ort Historic Growth TWDB -Re ion H
Growth Rate Po ulation Growth Rate Po ulation Growth Rate Po ulation
1989* 22,814 22,814 22,814
-- 1990 23,564 23,564
1991 24,718 24,718
1992 25,762 25,762
,�, 1993 26,552 26,552
1994 27,356 27,356
1995 27,835 27,835
�
1996 28,602 28,602
1997 29,053 29,053
1998 4.80% 30,448 3.04% 29,936
1999 31,909 30,846
'�" 2000 33,441 31,784 32,416
2001 35,046 32,750
2002 36,728 33,746
"� 2003 38,491 34,772
2004 40,339 35,829
2005 42,275 36,918
-- 2006 44,304 38,040
2007 46,431 39,197
2008 48,659 40,388
.- 2009 50,995 41,616
2010 53,443 42,881 44,762
2011 56,008 44,185 3.75% 46,441
,.., 2012 57,400 45,528 48,182
2013 46,912 49,989
2014 48,338 51,864
� 2015 49,808 53,808
2016 51,322 55,826
2017 52,882 57,400
2018 54,490
"� 2019 56,146
2020 57,400
,�
* The population for 1989 is the census determined population and not an estimate.
�
Klotz Associates Project No.40701 7 City of Friendswood,Texas
"" January 2001 Groundwater Reducrion Plan
KLOTZ
,_, ASSOCIATES,
I N C.
COniSUl71NG
ENGiNEERS
Section 3-Historic Water Use
3.1 Water Pumping Records
°�- The water pumping records from previous years were evaluated to analyze the existing
system, determine the current water needs, and to identify trends to estimate future water
demands. Based on these records, Friendswood has averaged approximately 62% surface
°" water and 38% ground water. The following table summarizes the pumpage data.
Table 3-1
`` Historical Pumpage Data
City of Friendswood
Groundwater Reduction Plan
Year Surface Water Ground Water Total Pumpage Per Capita Use
1993 63% 37% 1,168,000,000 gal 121 GPCD
� 1994 66% 36% 1,154,576,000 gal 116 GPCD
1995 62% 38% 1,249,171,000 gal 123 GPCD
1996 67% 33% 1,301,243,000 gal 125 GPCD
1997 63% 37% 1,231,014,000 gal 116 GPCD
1998 54% 46% 1,509,535,000 gal 136 GPCD
,,,, 1999 63% 37% 1,561,570,000 gal 134 GPCD
The peaking factors for each year were also calculated to determine the trend of peak water
,.,,, usage. The ratio of average daily flow to maximum daily flow is consistent with a typical
water system. The following table summarizes the peaking factors.
.-. Table 3-2
Historical Peaking Factors
City of Friendswood
� Groundwater Reduction Plan
Year Avg Daily Flow (MGD) Max Daily Flow (MGD) Peaking Factor
-- 1995 3.42 7.14 2.09
1996 3.57 7.32 2.05
1997 3.37 6.99 2.07
^- 1998 4.14 9.31 2.25
1999 4.28 9.95 2.33
Average 3.76 8.14 2.16
The complete Water Pumpage Records and graphs illustrating the usage from 1995 to 2000
,�..
can be found in Appendix A.
Klotz Associates Project No.40701 8 City of Friendswood,Texas
.... January 2001 Groundwater Reduction Plan
KLOTZ
� ASSOCIATES,
I N C.
�otis��r�N�
Eti�� NEERs
3.2 Per Capita Water Use Rates
�
The water used each day per person was calculated for the past five years using the total
amount of water pumped for the year and the estimated population for that year. The per
°" capita water use ranged from 116 to 136 gallons per day (gpd). The usage in 1998 and 1999
showed a marked increase from the previous years due to the dry conditions during those
years. These per capita rates were used to evaluate trends in water use with consideration to
'� the increases in population over the years.
Historically, 85%of the water produced by the City of Friendswood is accounted for with
"" 15% being lost to leakage and maintenance activities.
3.3 Annual Rainfall
The water demand for the City of Friendswood is directly related to the rainfall received
each year. The Harris County Office of Emergency Management rainfall data for the rain
— gauge on Clear Creek at FM 528 shows the correlation between the annual rainfall and the
annuai water use. In recent years, the rainfall has decreased, and therefore the water use has
�
increased significantly.
In 1997, Friendswood received mare than 90 inches of rainfall, and that year showed the
� lowest usage level in recent years, 116 gallons per person per day. Conversely,
Friendswood had just over 35 inches of rainfall in 1999, and the usage level was 134 gallons
per person per day. Conservation efforts and basic awareness are important each year, but
� they must be emphasized during years of lower rainfall.
Section 4—Future Water Demand
� 4.1 Projected Future Water Demand through 2030
,,,r, The HGCSD District Regulatory Plan requires that the groundwater reduction plan include
water demands through the year 2030. All three of the population projections show that
build out for the City of Friendswood will be reached before 2030. Therefore, the future
,,,_ water demand is projected until the build out year, and subsequent years should have similar
water needs as the final year with minor fluctuations.
,,., 4.2 Annual Consumption
The annual consumption for the future water demand was calculated based on per capita
� usage rate and projected population. The low and high values for per capita usage and
growth rate of the population were used give a range of consumption that can be evaluated
as best and worst-case scenarios.
Klotz Associates Project No. 40701 9 City of Friendswood,Texas
— January 2001 Groundwater Reduction Plan
KLOTZ
,�„ ASSOCIATES,
I N C.
CONSU�TirvG
ENG�NEERS
The water usage records for 1995 to 2000 were reviewed to establish trends in water use to
predict future usage. In the past five years, the lowest per capita use was 116 gallons per
— day, and the highest was 136 gallons per day.
Three methods are described in Section 2.3 to predict the future population. The slowest
°�` growth rate is the historic growth rate, and the fastest growth rate is the Vision 2020 growth
rate. Both of these rates were used to evaluate future water needs.
"' In designing water supply facilities, worst case conditions must be taken into account in
determining the capacity required to meet future demand. In 1998 and 1999 the per capita
demand was 136 and 134 GPCD. While the consumption records for 2000 are incomplete at
"' this time it appears that the annual average will again be in the 135 GPCD range.
For design purposes in determining the capacity required to meet future water demand for
"` the City of Friendswood, a per capita consumption rate of 136 GPCD will be used.
Table 4-1 summarizes the future annual consumption using 136 GPCD, using the historical
growth rate (3.04%) and the Vision 2020 projected growth rate (4.80%).
Table 4-1
�
Estimated Future Annual Consumption at 136 GPCD
City of Friendswood
Groundwater Reduction Plan
�
Year Historical Growth Rate Vision 2020 Growth Rate
2000 1,660,011,000 gallons
�,,, 2001 1,625,710,000 gallons 1,739,670,000 gallons
2003 1,910,693,000 gallons
2005 1,832,610,000 gallons 2,098,520,000 gallons
_, 2006 2,199,251,000 gallons
2009 2,531,392,000 gallons
2010 2,128,613,000 gallons 2,652,890,000 gallons
-- 2012 2,849,336,000 gallons (build out year)
2015 2,472,469,000 gallons 2,849,336,000 gallons
2020 2,849,336,000 gallons (build out year) 2,849,336,000 gallons
�'- 2030 2,849,336,000 gallons 2,849,336,000 gallons
4.3 Future Demand Considerations
�
The Texas Water Development Board-Region H Water Planning Group has predicted that
there will be shortages in water supply in Region H (Southeast Texas) through the 2050
� planning period. Seasonal and annual water conservation measures should be implemented
to lessen the impact of shortages in water supply in the future.
�
Klotz Associates Project No.40701 10 City of Friendswood,Texas
�- January 2001 Groundwater Reduction Plan
KLOTZ
�
ASSOCIATES,
I N C.
�oNS� �r���
EN�,NEERs
For planning purposes, 136 gallons per capita per day (GPCD) will be used. The Vision
2020 population projections reflected the fastest growth rate and will be used for planning
"' purposes.
The annual demand, average day demand, max day demand, and max hour rate were
"" calculated based on the projected population,projected per capita consumption, a max day
peaking factor of 2.15, and a max hour peaking factor of 1.5. The following table
summarizes the future water demand using a projected per capita consumption rate of 136
"` GPCD.
Table 4-2
"` Future Water Demand at 136 GPCD
City of Friendswood
Groundwater Reduction Plan
Year Estimated Annual Average Day Max Day Max Hour
Population-Vision Demand in Demand in Demand Demand in
� 2020 Report MG MG in MG MG
2000 33,441 1,659.99 4.55 9.78 14.67
� 2001 35,046 1,739.67 4.77 10.25 15.37
2002 36,728 1,823.18 5.00 10.74 16.11
2003 38,491 1,910.69 5.23 11.25 16.88
,_ 2004 40,339 2,002.40 5.49 11.79 17.69
2005 42,275 2,098.52 5.75 12.36 18.54
2006 44,304 2,199.25 6.03 12.95 19.43
... 2007 46,431 2,304.81 6.31 13.58 20.36
2008 48,659 2,415.44 6.62 14.23 21.34
2009 50,995 2,531.38 6.94 14.91 22.37
- 2010 53,443 2,652.89 7.27 15.63 23.44
2011 56,008 2,780.23 7.62 16.38 24.57
2012 57,400 2,849.34 7.81 16.78 25.18
"" 2015 57,400 2,849.34 7.81 16.78 25.18
2020 57,400 2,849.34 7.81 16.78 25.18
2025 57,400 2,849.34 7.81 16.78 25.18
""� 2030 57,400 2,849.34 7.81 16.78 25.18
�
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Klotz Associates Project No.40701 11 City of Friendswood,Texas
�- January 2001 Groundwater Reduction Plan
KLOTZ
ASSOCIATES,
`� I N C.
�oNS����N�
E N G i N E E R 5
Section 5—Operating Scenarios
�° 5.1 Historic Data
The City of Friendswood maintains water production records for the volume of water
�` produced by each ground water facility on a daily basis as well as the volume of surface
water received from the City of Houston. As the per capita consumption rate increases,
distribution of water usage on a monthly basis changes with the monthly peaks increasing.
"` The percentage distribution of water demand by month for 1998 (136 GPCD) was used to
evaluate various operational scenarios.
°' S.2 Factors Affecting Future Operations
The requirements of the new legislation and the available water resources must be
°' considered to determine how the future water system will work. The source of water, type
of water, and the time of year the water is used are all important factors that will affect
future operations.
5.2.1 Ground Water Use
'� To conform to the HGCSD Regulatory Plan, the City of Friendswood along with all
other permittees must reduce their ground water use to 20% of their total water use.
" 5.2.2 Limitations of Existing Ground Water Facilities.
� The following table summarizes the capacity of the facilities at each of the City of
Friendswood's Ground Water Facilities.
�
....
Klotz Associates Project No.40701 12 City of Friendswood,Texas
*-- January 2001 Groundwater Reduction Plan
K LOTZ
,,,,�,,, ASSOCIATES,
I N C.
C O N 5 U l i!ni G
E N G�N E E R S
Table 5-1
Groundwater Supply
�'" City of Friendswood
Groundwater Reduction Plan
""� Well Capacity Storage Capacity Booster Pump
(MGD) (gallons) Capacity
(MGD)
"�' Well Number 2 0.766 250,000 1.728
Well Number 3 1.179 500,000 1.440
Well Number 4 1.369 210,000 1.440
� Well Number 5 1.356 1,210,000 3.600
Well Number 6 1.620 210,000 1.656
,_„ Well Number 7 1.696 273,000 2.232
Totals 7.986* 2,653,000 12.096
* Assume safe well long term yield of 5.0 MGD.
� The ground water facilities are able to produce a safe yield of 5.0 MGD of well water
over an extended period of time. The booster pumps are able to deliver water into
,_ the distribution system at a rate of 12 MGD. 2.653 MG of water is available to meet
max hour demands.
,.. 5.2.3 City of Houston Surface Water Supply
Currently the City of Friendswood is purchasing 6.0 MGD of surface water from the
�.. City of Houston's Southeast Water Plant. This means the City of Houston will
deliver 6.0 million gallons of water to the City of Friendswood over a 24-hour
period. The City of Houston will not increase the delivery rate to meet the City of
�-- Friendswood's maximum hour demand.
5.3 Future System Operations
At a build out population of 57,400 and a consumption rate of 136 GPCD, the average day
demand would be 7.81 MGD as shown in Table 4-1. The following assumptions were used
-- to develop the operational scenario summarized in Table 5-2:
• Each month, a minimum of 5% of the water consumed would be produced from ground
"` water.
• On an annual basis, 80% of the water demand would be met using surface water.
• 5.0 MGD is available from ground water.
� • The monthly distribution of water demand is based on the 1998 production records.
• Maximum day demand is 2.15 times the average day demand.
• 85% of the water produced is accounted for.
Klotz Associates Project No.40701 13 City of Friendswood,Texas
� January 2001 Groundwater Reduction Plan
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Klotz Associates Project No.40701 14 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
KLOTZ
,�„ ASSOCIATES,
I N C.
�ONS��T��NG
E N G I N E E R S
Based on these assumptions and reflecting the historic demand patterns, a total supply of
16.8 MGD, or 11.8 MGD surface water supply, would be required to serve the Friendswood
"�` build out population at a consumption rate of 136 GPCD.
5.4 Future Surface Water Needs
The City of Friendswood is obtaining the surface water from the City of Houston. The
tables in Appendix C indicate the surface water supply needs for various years. Table No.
"° Appendix G-5 indicates that to meet the ultimate build out demand Friendswood will need a
surface water supply capacity of 11.78 MGD. The City of Friendswood currently has
purchased 6.0 MGD of capacity in the City of Houston's Southeast Surface Water
Treatment Plant. The City of Houston is offering for sale capacity in an expansion of the
southeast plant that will come on line in 2005.
rv� It is recommended that the City of Friendswood purchase an additional 6.0 MGD of capacity
from the City of Houston. This will provide Friendswood with 12.0 MGD of surface water
supply.
Section 6—Proposed Improvements
� Over the next five years, a number of water system improvements will be required to enable
the City of Friendswood to meet the groundwater reduction regulations and the ultimate
� water supply needs of a fully developed city of 57,400 population. The location of the
various improvements described below are shown on Exhibit 1.
� 6.1 Beamer Road Pump Station
The City of Houston has authorized design of surface water transmission main on Beamer
� Road. Houston expects that the construction of this water main will be complete by year-
end 2001. Looking at the past history of bidding and construction award cycles for the City
of Houston, a completion date of second quarter calendar year 2002 may be more realistic.
� The specific location where Friendswood will tie into the Houston surface water
transmission main has not been identified. For the purposes of estimating project costs, the
,..,, following assumptions for the site have been used.
• The required site would be 1.5 acres in size.
�- • The land cost would be $40,000 per acre.
• The site would be located on the west side of Beamer Road, 500 feet off Beamer Road.
• The site would be located 2000 feet north of FM 2351.
The Beamer Road Pump Station will have the capacity to pump 100% of the surface water
supply from the City of Houston since the new Beamer Road surface water transmission line
will have greater reliability than the mains feeding the Blackhawk Pump Station.
Klotz Associates Project No.40701 15 City of Friendswood, Texas
— January 2001 Groundwater Reduction Plan
KLOTZ
� ASSOCIATES,
i N C.
C O N$U l i I N G
ENGiNEERS
The proposed Beamer Road pump station would be constructed in two phases. Phase I will
'�" have the capacity to transfer 6.0 MGD from the City of Houston surface water transmission
system into the City of Friendswood water distribution system. Phase II will increase the
City of Houston surface water capacity to 12.0 MGD.
The Phase I GPCD Beamer Road Pump Station would include the following:
�" • 1-1.0 MG concrete ground storage tank
• 2-4000 GPM- 250 hp variable speed pumps
� • 1-4000 GPM-250 hp constant speed pump
• 1- Emergency generator capable of operating two pumps
• Concrete or masonry building to house pumps, generators and electrical equipment.
� The estimated construction cost for the Phase I Beamer Road pump station is $2,333,000. A
detailed cost estimate can be found in Appendix D. Phase I of the Beamer Road pump
._ station would be operational in September of 2002.
Phase II of the Beamer Road pump station will include the following improvements:
• 1- 1.0 MG Concrete Ground Storage Tank
• 1- 4000 GPM-250 HP Variable Speed Pump
The estimated construction cost far the Phase II Improvements to the Beamer Road Pump
Station is $933,000. A detailed construction cost estimate can be found in Appendix D.
Phase II of the pump station would be operational first quarter of 2006. The preliminary site
plan for the Beamer Road Pump Station is shown in Exhibit 2.
•-- 6.2 Trunk Water Main
A 24-inch water main would be constructed from the pump station along Beamer Road
°�- south to FM 2351, then west to the intersection of Blackhawk and Edgewood, connecting to
the existing 16-inch water main on Edgewood and the 12-inch on Blackhawk. The
estimated construction cost for the 24-inch Transmission Main is $1,343,000. A detailed
"" construction cost estimate can be found in Appendix D. The proposed trunk water main will
be operational in September of 2002.
" 6.3 Other Water System Improvements
Additional water system improvements will be required to meet the water systems needs of
" the City of Friendswood as it approaches its build out population of 57,400.
Klotz Associates Project No.40701 16 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan
KLOTZ
�,� ASSOCIATES,
I N C.
��N 5� �T�N�
ENGINEERS
6.3.1 West Side Elevated Storage Tank
�" The Texas Natural Resource Conservation Commission (TNRCC) has established
regulations determining the volume of elevated storage required for a public water
system. This requirement as stated in the Texas Administrative Code per 30 TAC
�°` 290.45(b)(D)(iv) is: "an elevated storage capacity of 100 gallons per connection is
required for systems with more than 2500 connections."
`""" Friendswood has a 1.0 MG elevated tank located adjacent to the high school.
Currently there are 9638 service meters to the Friendswood water system. The
TNRCC defines connections as the number of units connected to the system. With
"" the master metered multi-family units in the City of Friendswood, TNRCC has rated
the Friendswood water system as having over 10,000 connections at this time. An
additional elevated tank is required at this time. At the build out population, it is
� estimated that Friendswood will have 16,900 connections.
� To meet the ultimate needs for elevated storage for Friendswood as required by
TNRCC, an additional 1.0 MG elevated tank will be required. From a system of
operation standpoint, the new elevated tank should be on the west side of the city to
be most effective in meeting peak demands.
A good potential location for the proposed elevated tank would be at the water plant
� in the Sun Meadow Subdivision. The booster pump and chlorination equipment at
this location would be used to insure freshly circulated water was available from the
elevated tank.
� The estimated construction cost for a 1.0 MG elevated tank is $1,838,000. A
detailed construction cost estimate can be found in Appendix D. The elevated tank
„_, would be placed in service in 2002.
6.32 Blackhawk Pump Station—Ground Storage Tank
To provide for increased flow through the Blackhawk Surface Water Pump Station,
an additional 0.5-MG ground storage tank will be required. The estimated
,_, construction cost of$300,000 is detailed in Appendix D.
�
Klotz Associates Project No.40701 17 City of Friendswood,Texas
-^- January 2001 Groundwater Reduction Plan
KLOTZ
,�, ASSOCIATES,
I N C.
��N 5��,�N G
ENG�NEERS
6.4 Proposed 2003 Water System Improvements
�"°` 6.4.1 Southeast Water Treatment Plant Capacity
The City of Friendswood is committed to purchase additional surface water from the
�"' City of Houston. The additional surface water supply will be required to meet the
future water demand in Friendswood as well as allowing the City of Friendswood to
accomplish a reduction in groundwater use to 205 of the total. It is anticipated that in
°"� 2003, Friendswood will execute a contract with the City of Houston to purchase an
additiona16.0 MGD of capacity in the Southeast Water Treatment Plant expansion.
We expect this additional capacity to be available to the City of Friendswood to meet
"`" the summer months higher demand in 2007. The projected costs to purchase this
future capacity are as shown in Table 6-1.
� Table 6-1
Southeast Water Treatment Plant
�
City of Houston
Co-Participant Costs - Friendswood
� Item Capacity Cost Per Gallon Total Cost
Plant Capacity 6.0 MGD $1.146646 $6,879,876
Pumping Capacity 8.52 MGD $0.19069 $1,624,679
,,_, Distribution Capacity 8.52 MGD $0.04701 $400,525
Total $8,905,080
,.� 6.4.2 Distribution System Improvements
In 1998, the engineering firm of Wayne Smith& Associates prepared an evaluation
�- of the City of Friendswood water distribution system. As a result of this study, the
City of Friendswood has scheduled three water distribution system projects to be
constructed in 2003. Those three projects are as follows:
1. West Bay Area Boulevard—Install a new 14-inch water main from FM 528
to Clear Creek. The estimated construction cost for this project is $909,000.
-- 2. WWTP Water Line—Install a new 8-inch water main from Bay Area
Boulevard to the Blackhawk Wastewater Treatment Plant. The estimated
construction cost for the project is $51,000.
°- 3. Rancho Viejo Water Line—Install a new 12-inch water main from West Bay
Area Boulevard to FM 518. The estimated construction cost is $413,000.
"� Detailed construction cost estimates for each of the scheduled water distribution
system projects can be found in Appendix D.
Klotz Associates Project No.40701 18 City of Friendswood,Texas
°'°' January 2001 Groundwater Reduction Plan
KLOTZ
,�, ASSOCIATES,
I N C.
�oNS��r� N�
EN��NEEas
6.5 Proposed 2005 Water System Improvements
`�°` 6.5.1 Beamer Road Pump Station Phase II
The improvements proposed in Phase II of the Beamer Road pump station are
`�" described in Section 6.1. These improvements will complete the ultimate
development of the Beamer Road pump station. The estimated construction cost for
this project is $983,000. The detailed construction cost estimate is included in
°' Appendix D.
6.5.2 Distribution System Improvements
As the City of Friendswood approaches the build out population, the capacity of the
water distribution system in some areas of the city will require upgrading. The City
'� of Friendswood has an ongoing program to replace water mains that experience
breaks and continuing leaks. The $1,000,000 estimated construction cost under this
� item is to cover the replacement of 13,000 feet of existing water mains with 12-inch
water mains to eliminate leaks and improve the distribution capabilities of the
Friendswood water system.
� 6.5.3 Booster Pump Station—Valves and Controls
� As the City of Friendswood converts to 80% surface water usage, the operation of
the existing booster pump station will change. This item includes $250,000 for the
installation of valves and controls at various booster pump stations to provide for
� flexibility and efficient operation to fill the ground storage tank with surface water
during off peak hours.
� As part of the engineering for the 2002 water system improvements, an engineering
study should be undertaken including a water distribution system analysis to define
the design criteria for all of the proposed water system improvements.
� Section 7—Schedule and Finance
,„„ 7.1 Water Department Operating Budget
The water department operating budget was analyzed for 1997, 1998, and 1999. Each line
,_, item was broken down on a per capita basis using the estimated population at year end. The
results of this evaluation are shown in Appendix E. The 99-00 fiscal year is used as the base
for projecting future water department expenditures. The estimates for future annual water
, department expenditures increase the individual line items based on the annual population
increase compounded by a 3%per year allowance for inflation.
Klotz Associates Project No.40701 19 City of Friendswood,Texas
»�- January 2001 Groundwater Reduction Plan
KLOTZ
�„ ASSOCIATES,
I N C.
�oNS��r�N�
ENGiNEERS
7.2 Capital Projects Construction Cash Flow
�"' The annual estimated capital project cost by project and the project bond sales are shown in
Table 7-1. Depending on what level the new water rates are set and when they go into
effect, the capital project scheduled to be constructed in 2005 may be paid for from water
` department fund surpluses.
7.3 Project Financing
A 15% increase in the overall water rates will provide sufficient revenue to fund the water
department operating budget and debt service through the year 2010.
It is assumed that the City of Friendswood will finance the water system capital
improvements with 20-year bond issues at an interest rate of 6%. Three bond issues would
� finance the water system improvement projects. The first would be in 2001 for$5,977,000.
The City of Friendswood previously authorized $3,529,988 of this amount. Therefore, an
additional bond amount of$1,447,012 will need to be authorized. In 2003, the sale of bonds
� in the amount of$10,278,080 will be required. A $2,233,000 bond issue will be necessary
in 2005 to complete all the of the water projects.
� As Appendix G shows, surplus funds will be generated if operating and revenue projections
are met. This may enable some of the distribution systems improvements scheduled for
� 2003 and 2005 to be paid out of cash flow saving the City of Friendswood finance costs.
Table 7-2 shows the future water department operations expenditures including debt service
�, for the three proposed bond issues.
.�.
Klotz Associates Project No.40701 20 City of Friendswood,Texas
^� January 2001 Groundwater Reduction Plan
3 �
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Table 7-1
Construction Cash Flow
Future Water Bond Requirements
City of Friendswood
Groundwater Reduction Report
136 GPCD
2001 2002 2Q03 2004 2005
Construction Cost Cash Flow
Beamer Road Pump Station Phase I $500,000 $1,996,Q00
24-inch Trunk Water Main $350,000 $993,000
1.0 MG Elevated Tank $1,000,000 $838,000
$8,945,080
Future COH Surface Water Capacity $909,000
Bay Area Blvd 14" Waterline $51,000
WWTP 8" Waterline $413,000
Viejo Waterline $983,OOQ
Beamer Road Pump Station Phase II $1,000,000
Future Distribution Improvements $100,000 $200,000
0.5 MG Ground Storage Tank
at Blackhawk Pump Station $250,000
Booster Pump piping and controls
Cash Flow $1,950,400 $4,027,000 $10,278,080
$p $2,233,Q00
Bond Sa1es
$5,977,000 * $10,278,084 $0 $2,233,000
$521,102 $896,09Q $0 $194,683
Annual Debt Service @ 6%-20yr
* $3,529,988 previously authorized bonds/$1,447,012 additional bond authorization required for 2001.
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Table 7-2
Future Water Operations Expenditures Inctuding Debt Service
Friendswood Groundwater Reduction Plan
City of Friendswood
2000-2001 2001-2002 2002-2003 2003-2004 2004-2005 2005-2006 2006-2007 2007-2008 2008-2009 2009-2010
Water Operations $ 875,361 $ 944,895 $1,060,374 $1,144,623 $1,235,544 $1,333,689 $1,439,650 $1,553,994 $1,677,455 $1,810,720
COH Water $ 346,610 $ 494,014 $ 528,082 $ 564,504 $ 603,429 $ 645,038 $ 689,526 $ 737,065 $ 787,899 $ 842,236
Capital expenses $ 309,000 $ 318,270 $ 327,818 $ 337,653 $ 347,782 $ 358,216 $ 368,962 $ 380,031 $ 391,432 $ 403,175
Administration $ 485,510 $ 524,076 $ 565,709 $ 610,656 $ 659,162 $ 711,522 $ 768,052 $ 829,055 $ 894,921 $ 966,018
Sub-Total $2,016,481 $2,281,254 $2,481,983 $2,657,435 $2,845,916 $3,048,465 $3,266,191 $3,500,145 $3,751,708 $4,022,I 50
Debt Service
Current Debt Service thru 2000 $ 739,542 $1,088,931 $ 801,184 $ 801,288 $ 798,195 $ 467,900 $ 475,066 $ 482,024 $ 478,910 $ 523,677
Future Water Bonds
2001 Bond Issue $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102
2003 Bond Issue $ 896,090 $ 896,090 $ 896,090 $ 896,090 $ 896,090 $ 896,090 $ 896,090
2005 Bond Issue $ 194,683 $ 194,683 $ 194,683 $ 194,683 $ 194,683
Debt Service Sub-Total $ 739,542 $1,610,033 $1,322,286 $2,218,480 $2,215,387 $2,079,775 $2,086,941 $2,093,899 $2,090,785 $2,135,552
TOTAL EXPENSES $2,756,023 $3,891,287 $3,804,269 $4,875,915 $5,061,303 $5,128,240 $5,353,132 $5,594,044 $5,842,493 $6,I 57,702
Annual water consumption @ I 36 1739.67 1823.18 1910.69 2002.4 2098.52 2199.25 2304.81 2415.44 2531.38 2652.89
The future opperating costs shown on this table are developed in detail in Appendix E.
KLOTZ
,�, ASSOCIATES,
I N C.
C O N 5 U L T i N G
ENG�NEERS
Section 8—Conservation Measures
8.1 Water Use Restrictions
�`" There are several conservation methods that could be put in place to reduce the amount of
water being used in the community. One option is to create a City Ordinance to restrict
certain types of water use at particular times. Watering yards and washing cars could be
"" limited to certain days of the week, and violation of the Ordinance would result in a fine.
Restrictions could be in place throughout the year or for certain times of the year when
water use is at a peak.
In addition to the ordinance to restrict irrigation use, homes with water conserving
landscaping could be given a discount on their water bill. This would be difficult to define,
� and each home would have to be evaluated to determine if they were eligible for the
discount.
� 8.2 Public Education and Information
� Another proven conservation method is public education and information. The Texas Water
Development Board (TWDB) offers a variety of brochures with suggestions to conserve
water in the home, tips on effective lawn watering, and landscaping to minimize water use.
� These brochures can be obtained for a nominal fee, and they can be inserted in billing
envelopes.
_ Schools in the Friendswood area could be encouraged to incorporate conservation into the
science curriculum to get students involved. Informing the public about the diminishing
water supply to demonstrate the severity of the problem could be helpful. If the people in
the community are knowledgeable about the water problems and possible ways to conserve
water, they could help the situation and lower the demand for Friendswood.
,,,_ 8.3 Water Fixtures and Appliances
The average single family home can reduce water use by approximately 32% by installing
.,,. readily available water efficient fixtures and appliances and by taking measures to minimize
leaks. Installing items such as ultra-low flush toilets or low-flow showerheads can reduce
water use. Water efficient clothes washers and dishwashers are available in every appliance
,_, store. Periodically checking for leaks and replacing leaking toilet flappers, worn valve seats,
faucet washers, and "o" rings saves water.
�
Klotz Associates Project No.40701 23 City of Friendswood,Texas
�— January 2001 Groundwater Reduction Plan
KLOTZ
.�. ASSOCIATES,
I N C.
COrvSU�iiNG
E N G I N E E R 5
All of these water-reduction methods are reasonable, but the City has little control over
whether the homeowners choose an efficient appliance or check for leaks in their homes.
" The City could require the use of water-conserving plumbing fixtures and devices in new
construction and retrofit programs to improve water use efficiency in existing buildings, but
it would be difficult to enforce, and the homeowners and builders are going to buy whatever
'" is available and inexpensive.
8.4 Meter Repair and Replacement and Universal Metering
Friendswood is undergoing a program of ineter repair and replacement throughout the City.
Ensuring that the water is being measured correctly would monitor use more accurately.
'r Better monitoring may result in higher bills for some water customers, and the higher bills
may cause some customers to reduce their water use.
� Universal metering consists of inetering the water at the storage facilities. Metering the
water being distributed through the system in conjunction with accurate metering at the
�...
users' end of the system can determine how much water is unaccounted for. If the amount
of water is significant, additional steps would be taken to figure out where the missing water
is going, whether it is being lost through leaks, flushing or other means.
� 8.5 Leak Detection and Repair
Leak detection and repair in City and private water lines will save water. Leaking water
lines may represent a significant loss in potable water throughout the distribution system as
it has in 2000. Evaluating the distribution mains for possible leaks would be the first step in
_„ this process because the majority of the water flows through these lines. The service lines
could also be evaluated for possible repairs.
,_, 8.6 Recycling and Reuse
Recycled water can be used for irrigation purposes on large areas like parks or golf courses.
,,,�„ Effluent from wastewater treatment plants can be piped directly to areas where irrigation is
needed. Cooling water used in industrial applications can be recycled for irrigation.
Recycling is not practical for small cities. It requires an extensive piping system, and it is
,.. only economic for large amounts of water. Recycling cooling water from industries is not a
valid solution because there are no industries in the area.
� Reuse of water, or gray water, is another common water conservation measure. A common
example of this is using water from sinks to flush toilets. This requires special piping from
the sink to the toilet, and it is not cost effective on a small scale.
�
Klotz Associates Project No.40701 24 City of Friendswood,Texas
� January 2001 Groundwater Reduction Plan
KLOTZ
,�„ ASSOCIATES,
I N C.
CO�v$UIT�NG
E t�G i!v E E R 5
8.7 Water Rates
"' Possibly the most effective method to reduce water use is to implement conservation-
oriented water rate structures.
�' 8.8 Recommendations
In 2000, the City of Friendswood experienced another record year of per capita water
�'" consumption. It is estimated that the per capita water consumption will be between 145 and
150 GPM. This high rate is due to two factors related to the dry year: 1) increased irrigation
and 2) a large number of water main leaks. The City of Friendswood is aggressively
""" pursuing a leak repair and prevention program.
Initially, a three-pronged program is recommended to encourage conservation and control
the increasing consumption of water in Friendswood.
First, a City Ordinance restricting water use certain days of the week would help lower the
"� water demand. This water-reducing option is the one area where the City can make a
significant difference in water use. A year-round ordinance would be more effective than an
� ordinance that is only in place certain times of the year. If the ordinance lasts through the
year, then the citizens of Friendswood will get in the habit of not watering their lawns
certain days of the week.
The second part of the program includes changing the water rate structure to a uniform rate
for each of the current consumption levels above the base billing minimum. This will
„� provide a financial incentive to use less water.
Third, although it is an indirect conservation measure, educating the community about the
�
water problem is also an effective aid to the problem. Possibly the simplest way would be to
insert brochures into the billing statements. The brochures are already prepared and
inexpensive, and this would send the message to t�ie people who need it most, your water
�
customers.
Section 9 - Water Rate Study
9.1 Historic Water Consumption
„.. 9.1.1 Water Pumping Records
In Appendix A the water pumpage records for the City of Friendswood for 1993 to
... 2000 can be found. The records include the monthly pumpage totals, ground water
pumpage and surface water pumpage as well as the calculated average day
consumption, maximum day demand and annual per capita consumption.
Klotz Associates Project No.40701 25 City of Friendswood,Texas
�— January 2001 Groundwater Reduction Plan
KLOTZ
*� ASSOCIATES,
I N C.
C O N 5 U L T I N G .
E N G i N E E R 5
9.1.2 Billing Records
"' In Appendix B a summary of the water billing records can be found. The data is
tabulated for two time periods October 1997 to September 1999 and October 1999 to
September 2000 coinciding with the use of two different records software systems.
9.1.3 Water Consumption Records
"" The City of Friendswood water billing history was reviewed for the past three years.
At the beginning of this past fiscal year, the utility department began using new
billing records software. The City of Friendswood currently has four billing rate
�'° levels in the water rate ordinance.
Table 9-1
Current Billing Rate Levels
City of Friendswood
�
Groundwater Reduction Plan
Level Monthly Water Use Cost
�
Base 0-3000 gallons/month $12.50/min
Con 1 3001-50,000 gallons/month $2.15/1000 gal
Con 2 50,001 — 100,000 gallons/month $1.55/1000 gal
,,,, Con 3 100,001+ $1.25/1000 gal
During the period of October 1997 through September 1999, the total metered sale of
water was 2,962,635,000 gallons. For the period October 1999 through September
2000, the total metered sale of water was 1,817,267,000 gallons. For those periods,
the breakdown of water use by consumption level was as follows:
Table 9-2
Water Use per Billing Rate
City of Friendswood
Groundwater Reduction Plan
� 10/97—9/99 % Total 10/99—9/00 % Total
(1000 gal) (1000 gal)
Base 579,657 26.6% 382,858 24.8%
"" Con 1 1,356,534 62.2% 1,043,692 67.6%
Con 2 79,685 3.7% 46,991 3.0%
Con 3 163,964 7.5% 70,568 4.6%
�
Klotz Associates Project No.40701 26 City of Friendswood, Texas
�-� January 2001 Groundwater Reduction Plan
KLOTZ
,� ASSOCIATES,
I N C.
�o�s��r,N�
ENGiNEERS
Since the largest percentages of use are occurring in the Consumption 1 and the Base
levels, this is where conservation efforts should be concentrated and also where
�' additional revenue could be gained.
9.2 Water Department Cost Projection
�
The water department's operating costs were analyzed on a per capita basis and projected
through 2010 as discussed in Section 7 of the Groundwater Reduction Plan. The schedule of
` capital projects and projected bond issues were outlined in Table 7-1. The annual projected
operating budget and annual payments for the three bond issues are shown in Table 9-3.
The debt service for the future bond issues is based on 6% - 20 year constant payment
"" financing.
�
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Klotz Associates Project No.40701 27 City of Friendswood,Texas
-- January 2001 Groundwater Reduction Plan
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Table 9-3
Future Water Operations Expenditures Including Debt Service
Friendswood Groundwater Reduction Plan
City of Friendswood
2000-2001 2001-2002 2002-2003 2003-2004 2004-2005 2005-2006 2006-2007 2007-2008 2008-2009 2009-2010
Water Operations $ 875,361 $ 944,895 $1,060,374 $1,144,623 $1,235,544 $1,333,689 $1,439,650 $1,553,994 $1,677,455 $1,810,720
COH Water $ 346,610 $ 494,014 $ 528,082 $ 564,504 $ 603,429 $ 645,038 $ 689,526 $ 737,065 $ 787,899 $ 842,236
Capital expenses $ 309,000 $ 318,270 $ 327,818 $ 337,653 $ 347,782 $ 358,216 $ 368,962 $ 380,031 $ 391,432 $ 403,175
Administration $ 485,510 $ 524,076 $ 565,709 $ 610,656 $ 659,162 $ 711,522 $ 768,052 $ 829,055 $ 894,921 $ 966,018
Sub-Total $2,016,481 $2,281,254 $2,481,983 $2,657,435 $2,845,916 $3,048,465 $3,266,191 $3,500,145 $3,751,708 $4,022,150
Debt Service
Current Debt Service thru 2000 $ 739,542 $I,088,931 $ 801,184 $ 801,288 $ 798,195 $ 467,900 $ 475,066 $ 482,024 $ 478,910 $ 523,677
Future Water Bonds
2001 Bond Issue $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102 $ 521,102
2003 Bond Issue $ 896,090 $ 896,090 $ 896,090 $ 896,090 $ 896,090 $ 896,090 $ 896,090
2005 Bond Issue $ 194,683 $ 194,683 $ 194,683 $ 194,683 $ 194,683
Debt Service Sub-Total $ 739,542 $1,610,033 $1,322,286 $2,218,480 $2,215,387 $2,079,775 $2,086,941 $2,093,899 $2,090,785 $2,135,552
TOTAL EXPENSES $2,756,023 $3,891,287 $3,804,269 $4,875,915 $5,061,303 $5,128,240 $5,353,132 $5,594,044 $5,842,493 $6,157,702
Annual water consumption @136 1739.67 1823.18 1910.69 2002.4 2098.52 2199.25 2304.81 2415.44 2531.38 2652.89
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Table 9-4
Water Rate Study
Water Rate Comparison
Groundwater Reduction Plan
City of Friendswood
Stud No. Rate Increase Ca ital Pro'ect Fundin Results
1 0% 2001 Bond Issue Positive Cash Flow 2002-2003
2003 Bond Issue Rate Increase Required 2004
2005 Bond Issue
2 10% 2001 Bond Issue Positive Cash Flow 2002-2003
2003 Bond Issue Negative Cash Flow 2004-2005
2005 Bond Issue Positive Cash Flow 2006-2010
Cumulative Su lus 2010-$3,693,127
3 15% 2001 Bond Issue Positive Cash Flow 2002-2010
2003 Bond Issue
2005 Bond Issue Cumulative Su lus 2010-$4,165,757
4 15% 2001 Bond Issue Positive Cash Flow 2002-2003
2003 Bond Issue Negative Cash Flow 2004-2006
2004$500,000 Water Lines-Current Funds Positive Cash Flow 2007-2010
2005$1,233,000 Beamer Road Phase II&Booster Cumulative Surplus 2010$2,4336,542
Pump Stations—Current Funds
2006$500,000 Water Lines—Current Funds
5 20% 2001 Bond Issue Positive Cash Flow 2002-2004
2002 Elevated Tank Current Funds Negative Cash Flow 2005
2003 Bond Issues Positive Cash Flow 2006-2010
2005 Bond Issues Cumulative Surplus 2010 $5,151,109
$1,000,000
Beamer Road Pump Station
0.5 MG Ground Storage
Piping and Controls
Current Pum s
KLOTZ
,,J, ASSOCIATES,
I N C.
COnISUtiiNG
ENG�NEERS
�
9.3 Rate Increase Alternatives
"" For the purpose of analysis, it is assumed that new water rates would be in place at the
beginning of 2002. The effects of rate increase of 0%, 10%, 15% and 20%were evaluated.
With a rate increase of 15% and 20%, surplus funds were generated that could be used to
``" decrease borrowing. Table 9-4 compares the five alternate rate increases and capital
improvement funding alternates. Annual revenue for the various rate increases and capital
project funding scenarios are shown in Appendix G.
9.4 Rate Recommendations
"` As stated in Section 7 of this report, a 15% increase in rates will be required to provide the
revenue required to cover the operating costs and debt service through the year 2010. In
�
Section 8 of this report, a constant per gallon rate structure is recommended to encourage
conservation.
� To take some of the burden off the residents on fixed incomes that are using less than the
minimum billing amount of 3000 gallons per month, it is recommended that the base
monthly bill be reduced to $12.00. With a$12.00 base billing rate and a uniform or constant
,.�.
rate for water use above 3000 gallons per month, a uniform rate of$2.61 per 1000 gallons
will be required to generate a 15% increase in revenue. A comparison of revenue at the
current and proposed rates is shown in Table 9-5.
� This proposed rate increase and uniform rate would result in only a modest increase in water
bills for those households using lesser amounts of water.
�
.�.
Klotz Associates Project No.40701 30 City of Friendswood,Texas
^— January 2001 Groundwater Reduction Plan
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Revenue 2005 - Consumption at 136 GPCD
85%of water is accounted for
Annual Water Production in MG=2,098.52
Population=42,275
Connections= 12,079
Base
COriS 1
Cons 2
Cons 3
Water Sold
Annual Revenue
Annual Expenditures
Revenue per 1000 Gallons
Table 9-5
Water Rate Study
15% Rate Increase
City of Friendswood
Groundwater Reduction Report
Amount
Revenue 1000 Current Rates 15%Increase 15% Increase Uniform Rate
Distribution Gallons Rate Total Rate Total Rate Total
26% 463,773 $12.50 $1,811,776 $14.38 $2,083,542 $12.00 $1,739,305
65% 1,159,432 $2.15 $2,492,779 $2.47 $2,866,696 $2.61 $3,026,118
3% 53,512 $1.55 $82,944 $1.78 $95,386 $2.61 $139,667
6% 107,025 $1.25 $107,026 $1.44 $153,848 $2.61 $279,334
1,783,742
$4,494,525 $5,199,472 $5,184,424
$5,128,240
$2.52 $2.91 $2.91
KLOTZ
,� ASSOCIATES,
�N C.
�o�s��r�N�
E N G I N E E R S
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Table 9-6
Projected Water Bills with the Current and New Rate Structure
""" City of Friendswood
Groundwater Reduction Plan
Current Rate Proposed Rate Increase per %
Month Increase
At 3,000 Gallons per Month
� Base $12.50 $12.00 - $0.50 - 4.2%
At 6,000 Gallons per Month
�
Base $12.50 $12.00
Rate 3,000 gal @ $2.15 3,000 gal @ $2.61
per 1000 gal per 1000 gal
Total $18.95 $19.83 $0.88 4.6%
At 9,000 Gallons per Month
Base $12.50 $12.00
„� Rate 6,000 gal @ $2.15 6,000 gal @ $2.61
per 1000 gal per 1000 gal
Total $25.40 $27.66 $2.24 8.8%
-- At 12,000 Gallons per Month
Base $12.50 $12.00
Rate 9,000 gal @ $2.15 9,000 gal @ $2.61
--� per 1000 gal per 1000 gal
Total $31.85 $35.99 $3.64 11.4%
At 15,000 Gallons per Month
" Base $12.50 $12.00
Rate 12,000 gal @ $2.15 12,000 gal @ $2.61
per 1000 gal per 1000 gal
'°� Total $33.30 $43.32 $5.02 13.1%
�
These projected rate increases will not be a burden on the average customer.
Section 10-The Groundwater Reduction Plan
....,
10.1 Surface Water Supply 2002
,�...,
The City of Friendswood previously has purchased 3.0 MGD of capacity in the Southeast
Water Purification Plant (SEWPP) from the City of Houston and has supplied over 60% of
its total water demand from this source of surface water.
Klotz Associates Project No.40701 32 City of Friendswood, Texas
� January 2001 Groundwater Reduction Plan
KLOTZ
�„ ASSOCIATES,
I N C.
�oNS��r� N�
ENGiNEERS
In the year 2000, the City Council undertook action to increase its surface water supply from
Houston's SEWWP to 6.0 MGD. The City Council of the City of Friendswood passed
°' resolution R200-13 on February 21, 2000 authorizing purchase of 1.5 MGD of capacity in
SEWPP from the City of La Porte. Also on February 21, 2000, City Council passed
resolution R2000-17 authorizing the mayor to execute a cost-sharing water project contract
with the City of Houston for an additional 1.0 MGD of additional capacity at the SEWPP.
Then on April 3, 2000, the Friendswood City Council passed resolution R2000-26
"' authorizing the purchase of 0.5 MGD of capacity in SEWPP from Harris County Municipal
Utility District (HCMUD)No. 55.
""` The contracts with HCMUD 55 and the City of La Porte have been executed by both parties.
Friendswood has signed the contract with the City of Houston and has been advised that the
Houston City Council will act on the cost-sharing contract in January 2001.
The City of Houston has started construction of the project at SEWPP to increase its
capacity to 120 MGD. It is anticipated that the construction of this phase will be on-line in
the second quarter of 2002. The City of Houston has authorized design of the Beamer Road
Surface Water Transmission Water Main, and the completion of construction is scheduled
for December 2001.
The City Council of the City of Friendswood will authorize the engineering design of the
�
Beamer Road Pump Station and the Beamer Road/Edgewater Trunk Water Main projects in
March of 2001 following the acceptance of the Groundwater Reduction Plan by the Harris-
Galveston Coastal Subsidence District at its February board meeting. These improvements,
�
which will be required to insure that sufficient surface water can be delivered to the City of
Friendswood, will be completed in September 2002. A detailed schedule of the City of
Houston and City of Friendswood construction projects is shown in Table 10-1.
� The City of Friendswood will have 6.0 MGD of surface water supply available and the
facilities to deliver the surface water to the city for the October 2002-September 2003
d,,., groundwater permit year.
�
�
Klotz Associates Project No.40701 33 City of Friendswood,Texas
�- January 2001 Groundwater Reduction Plan
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ID Task Name
1 SEWPP expansion Construction
2 Beamer Road SWT Main Design 8�Award
3 Beamer Road SWT Main Construction
4 Friendswood City Council Approves GRP
5 HGCSD Accepts GRP
6 Friendswood Authorises Design
7 Beamer Road Pump Station Design
8 Beamer Road Trunk Main
9 Advertise,Bid&Award Punp Sta
10 Advertise,Bid&Award Trunk WM
11 Pump Station Construction
12 Trunk WM Construction
13 80%Surface Water Supply
Task
Split
Progress
Milestone
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Table 10-1
Construction Schedule
Groundwater Reduction Plan
City of Friendswood
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KLOTZ
� ASSOC�ATES,
I N C.
�O N 5 U l i I N G
EtiGiNEERS
10.2 Surface Water Supply 2007
The City of Friendswood has notified the City of Houston of its intent to purchase an
additional 6.0 MGD in capacity from the Southeast Water Purification Plant expansion
°—' project. Based on current schedules Friendswood anticipates Houston will be able to deliver
the additiona16.0 MGD or a total of 12.0 MGD to Friendswood to enable Friendswood to
meet the summer peak demand in 2007.
Table 10-2 outlines the anticipated surface water and groundwater demands for 2002
through 2007. After the City of Houston completes the Beamer Road Surface Water
Transmission Line and the current expansion of the Southeast Water Purification Plant,
Friendswood will be able to meet the Groundwater Reduction Plan goal through the year
2006. The City of Friendswood will be dependent on Houston completing the next phase of
"�` the Southeast Water Purification Plant to meet the water demands in Friendswood as well as
meet the Groundwater Reduction goals.
�
�..
�
Klotz Associates Project No.40701 35 City of Friendswood,Texas
.-- January 2001 Groundwater Reduction Plan
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Table 10-2
Anticipated Surface Water and Groundwater Demand
Groundwater Reduction Plan
City of Friendswood
Year Total Annual Max Day Demand Total Annual %Total Total Annual %Total
Demand (MGD) Surface Water Ground Water
(gal x 1000) (gal x 1000) (gal x 1000)
2002 1,823,178 10.74 1,632,935 89.6% 190,426 10.4%
2003 1,910,693 11.25 1,675,891 87.7°/a 234,993 12.3%
2004 2,002,428 11.8 1,720,922 85.9% 281,707 14.1%
2005 2,098,531 12.36 1,768,096 84.2% 330,645 15.3%
2006 2,199,251 12.95 1,817,534 82.6% 381,935 17.4%
2007 2,304,835 13.28 1,869,363 81.1% 435,702 18.9%
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E N G I N E E R S DATE: JAN. 2001 �
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I N C.
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ENGiNEERS
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Water Pumpage Records for 1995 to 2000
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January 2001 Groundwater Reduction Plan
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MONTH
JANUARY
FEBRUARY
MARCH
APRIL
MAY
JIJNE
JULY
AUGUST
SEPTEMBER
OCTOBER
NOVEMBER
DECEMBER
TOTAL
PERCENT
DAILY AVERAGE (MGD)
MAX DAILY DEMAND(MGD)
MAX DAY/AVG.DAY
AVG ANNUAL CONNECTIONS
PER CAPITA WATER USE
ESTIMATED POPULATION
SERVED 1993
APPENDIX A-1
CITY OF FRIENDSWOOD
TOTAL WATER PUMPAGE
1993
SURFACE WATER GROUND WATER TOTAL PUMPAGE NUMBER OF DAILY MAX
GAL x 1000 GAL x 1000 GAL x 1000 CONNECTIONS GAL x 1000
51,008 25,410 76,418 7,615 3,162
46,759 28,332 75,091 7,615 3,516
46,437 36,096 82,533 7,650 3,202
70,499 17,186 87,685 7,657 3,274
77,656 10,066 87,722 7,693 3,856
73,099 17,530 90,629 7,725 4,544
74,285 60,194 134,479 7,730 7,547
56,757 99,288 156,045 7,754 7,240
69,171 38,674 107,845 7,781 4,672
66,622 32,594 99,216 7,790 4,934
55,369 29,663 85,032 7,814 3,421
53,319 31,989 85,308 7,839 3,357
740,981 427,022 1,168,003
63% 37%
2.03 1.17 3.20
7.55
2.36
7,722
121
26,552
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JANUARY
FEBRUARY
MARCH
APRIL
MAY
JLJNE
JULY
AUGUST
SEPTEMBER
OCTOBER
NOVEMBER
DECEMBER
TOTAL
PERCENT
DAILY AVERAGE (MGD)
MAX DAILY DEMAND(MGD)
MAX DAY/AVG.DAY
AVG ANNUAL CONNECTIONS
PER CAPITA WATER USE
ESTIMATED POPULATION
SERVED 1994
APPENDIX A-2
CITY OF FRIENDSWOOD
TOTAL WATER PUMPAGE
1994
SURFACE WATER GROUND WATER TOTAL PUMPAGE NUMBER OF DAILY MAX
GAL x 1000 GAL x 1000 GAL x 1000 CONNECTIONS GAL x 1000
43,595 38,646 82,241 7,860 3,174
52,925 21,474 74,399 7,875 3,188
56,233 27,280 83,513 7,893 3,488
55,951 28,953 84,904 7,911 3,670
74,308 20,149 94,457 7,947 4,022
68,489 20,927 89,416 7,966 3,529
79,930 70,211 150,141 7,982 7,612
57,054 58,261 115,315 8,005 6,235
71,717 33,139 104,856 8,031 4,799
69,858 33,500 103,358 8,033 6,135
69,108 17,322 86,430 8,032 3,780
57,865 27,681 85,546 8,048 3,532
757,033 397,543 1,154,576
66% 34%
2.07 1.09 3.16
7.61
2.41
7,965
116
27,356
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APPENDIX A-3
CITY OF FRIENDSWOOD
TOTAL WATER PUMPAGE
1995
MONTH SURFACE WATER GROUND WATER TOTAL PUMPAGE NUMBER OF DAILY MAX
GAL x 1000 GAL x 1000 GAL x 1000 CONNECTIONS GAL x 1000
JANUARY 56,948 26,209 83,157 8,061 4,186
FEBRUARY 50,795 23,755 74,550 8,088 3,307
MARCH 53,483 29,066 82,549 8,107 3,599
APRIL 55,154 32,390 87,544 5,119 3,863
MAY 69,046 46,298 115,344 8,126 5,558
JiJNE 69,119 47,946 117,065 8,148 6,611
JULY 67,733 59,661 127,394 8,162 6,566
AUGUST 60,402 56,791 117,193 8,176 5,871
SEPTEMBER 82,337 64,103 146,440 8,210 7,140
OCTOBER 79,310 32,533 111,843 8,219 4,817
NOVEMBER 65,791 26,911 92,702 8,229 4,129
DECEMBER 65,058 28,332 93,390 8,226 3,644
TOTAL 775,176 473,995 1,249,171
PERCENT 62% 38%
DAILY AVERAGE(MGD) 2.12 1.30 3.42
MAX.DAILY DEMAND(MGD) 7.14
MAX DAY/AVG.DAY 2.09
AVG ANNUAL CONNECTIONS 8,156
PER CAPITA WATER USE 123
ESTIMATED POPULATION 27,835
SERVED 1995
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CITY OF FRIENDSWOOD
TOTAL WATER PUMPAGE
1996
MONTH SURFACE WATER GROUND WATER TOTAL PUMPAGE NUMBER OF DAILY MAX
GAL x 1000 GAL x 1000 GAL x 1000 CONNECTIONS GAL x 1000
JANUARY 63,544 28,979 92,523 8,220 4,721
FEBRUARY 51,565 37,850 89,415 8,246 4,017
MARCH 59,555 38,011 97,566 8,256 4,387
APRIL 88,635 30,605 119,240 8,285 5,312
MAY 94,379 40,606 134,985 8,321 5,792
JUNE 84,529 46,757 131,286 8,350 6,592
JULY 93,876 47,630 141,506 8,351 7,323
AUGUST 76,219 38,059 114,278 8,372 5,967
SEPTEMBER 69,731 22,716 92,447 8,382 3,829
OCTOBER 69,996 28,316 98,312 8,380 4,182
NOVEMBER 64,655 28,846 93,501 8,418 3,928
DECEMBER 56,093 40,091 96,184 8,426 3,904
TOTAL 872,777 428,466 1,301,243
PERCENT 67% 33%
DAILY AVERAGE (MGD) 2.39 1.17 3.57
MAX.DAILY DEMAND(MGD) 7.32
MAX DAY/AVG.DAY 2.05
AVG ANNUAL CONNECTIONS 8,334
PER CAPITA WATER USE 125
ESTIMATED POPULATION 28,602
SERVED 1996
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CITY OF FRIENDSWOOD
TOTAL WATER PUMPAGE
1997
MONTH SURFACE WATER GROUND WATER TOTAL PUMPAGE NUMBER OF DAILY MAX
GAL x 1000 GAL x 1000 GAL x 1000 CONNECTIONS GAL x 1000
JANiJARY 64,990 25,550 90,548 8,435 3,570
FEBRUARY 57,140 21,315 78,455 8,453 3,776
MARCH 66,653 22,426 89,079 8,451 3,633
APRIL 54,287 31,687 85,974 8,464 3,671
MAY 63,157 33,058 96,215 8,473 3,967
.NNE 67,957 30,322 98,279 8,491 4,372
JULY 73,345 54,440 127,785 8,513 5,335
AUGUST 70,875 69,551 140,426 8,529 6,635
SEPTEMBER 73,035 60,611 133,646 8,534 6,985
OCTOBER 60,556 36,883 97,439 8,565 4,130
NOVEMBER 63,298 28,256 91,554 8,573 4,152
DECEMBER 65,827 35,787 101,614 8,585 3,563
TOTAL 781,120 449,886 1,231,014
PERCENT 63% 37%
DAILY AVERAGE(MGD) 2.14 1.23 3.37
PERCENT 63% 37%
MAX DAILY DEMAND(MGD) 6.99
MAX DAY/AVG.DAY 2.07
AVG ANNUAL CONNECTIONS 8,506
PER CAPITA WATER USE 116
ESTIMATED POPULATION 29,053
SERVED 1997
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JANUARY
FEBRUARY
MARCH
APRIL
MAY
JIJNE
JULY
AUGUST
SEPTEMBER
OCTOBER
NOVEMBER
DECEMBER
TOTAL
PERCENT
DAILY AVERAGE(MGD)
MAX DAILY DEMAND (MGD)
MAX DAY/AVG.DAY
AVG ANNUAL CONNECTIONS
PER CAPITA WATER USE
ESTIMATED POPULATION
SERVED 1998
APPENDIX A-6
CITY OF FRIENDSWOOD
TOTAL WATER PUMPAGE
1998
SURFACE WATER GROUND WATER TOTAL PUMPAGE NUMBER OF DAILY MAX
GAL x 1000 GAL x 1000 GAL x 1000 CONNECTIONS GAL x 1000
61,088 27,037 88,125 8,611 3,757
31,294 48,090 79,384 8,644 3,509
46,419 47,413 93,832 8,684 3,688
66,437 47,955 114,392 8,730 4,712
76,203 106,720 182,923 8,758 7,271
87,009 106,072 193,081 8,769 8,590
100,023 84,609 184,632 8,816 8,071
89,824 79,306 169,130 8,839 9,310
62,146 48,002 110,148 8,893 4,641
71,437 33,827 105,264 8,916 4,130
66,586 27,840 94,426 8,917 3,631
61,327 32,871 94,198 8,935 3,563
819,793 689,742 1,509,535
54% 46%
2.25 1.89 4.14
9.31
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136
30,448
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FEBRUARY
MARCH
APRIL
MAY
JUNE
JULY
AUGUST
SEPTEMBER
OCTOBER
NOVEMBER
DECEMBER
TOTAL
PERCENT
DAILY AVERAGE(MGD)
MAX DAILY DEMAND(MGD)
MAX DAY/AVG.DAY
AVG ANNUAL CONNECTIONS
PER CAPITA WATER USE
ESTIMATED POPULATION
SERVED 1999
APPENDIX A-7
CITY OF FRIENDSWOOD
TOTAL WATER PUMPAGE
1999
SURFACE WATER GROUND WATER TOTAL PUMPAGE NUMBER OF DAILY MAX
GAL x 1000 GAL x 1000 GAL x 1000 CONNECTIONS GAL x 1000
65,138 26,021 91,159 8,936 3,784
57,599 25,825 83,424 8,947 3,658
62,370 36,812 99,182 8,956 4,105
66,972 50,187 117,159 8,989 5,661
79,695 58,385 138,080 9,007 6,447
64,354 40,106 104,460 9,068 5,847
84,268 37,343 121,611 8,087 5,367
118,501 79,811 198,312 9,141 8,910
105,136 103,970 209,106 9,123 9,949
86,555 50,474 137,029 9,200 5,349
101,354 44,880 146,234 9,234 6,192
85,708 30,106 115,814 9,252 4,580
977,650 583,920 1,561,570
63% 37%
2.68 1.60 4.28
9.95
233
8,995
134
31,909
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APRIL
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JLJIVE
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AUGUST
SEPTEMBER
OCTOBER
NOVEMBER
DECEMBER
TOTAL
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DAILY AVERAGE (MGD)
MAX.DAY DEMAND(MGD)
MAX DAY/AVG.DAY
AVG ANNUAL CONNECTIONS
PER CAPITA WATER USE
ESTIMATED POPULATION
SERVED 2000
APPENDIX A-8
CITY OF FRIENDSWOOD
TOTAL WATER PUMPAGE
2000
SURFACE WATER GROUND WATER TOTAL PUMPAGE NUMBER OF DAILY MAX
GAL x 1000 GAL x 1000 GAL x 1000 CONNECTIONS GAL x 1000
99,757 28,787 128,544 9,282 5,021
101,773 4,914 106,687 9,312 4,657
113,306 15,123 128,429 9,357 5,866
96,597 26,914 123,511 9,402 5,685
105,916 32,160 138,076 9,420 6,004
112,899 39,564 152,463 9,475 8,159
124,309 130,848 255,157 9,518 10,381
108,946 129,628 238,574 9,561 10,413
99,617 69,482 169,099 9,611 10,896
90,200 26,416 116,616 9,638 5,768
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68% 32%
2.89 1.38 N/A
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KLOTZ
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ENGiNEERS
.� Appendix B
Water Billing History Summary
�-- Klotz Associates Project No.40701 City of Friendswuod,Texas
January 2001 Groundwater Reduction Plan
�
APPENDIX B
„� CITY OF FRIENDSWOOD
SUMMARY OF WATER BILLING
October 1997-September 1999
Water Billing
Base Cons 1 Cons Z Cons 3 Total
`�` Base 48,297 48,297
Level 1 517,668 1,202,365 1,720,033
Leve12 4,620 72,380 27,945 104,945
-- Leve13 2,484 38,916 41,400 151,076 233,876
573,069 1,313,661 69,345 151,076 2,107,151
.o... %Total 27.2% 62.3% 3.3% 7.2% 100.0%
Sprinkler Billing
Base 696 696
Levell 4,782 25,483 30,265
Leve12 756 11,844 4,440 17,040
Leve13 354 5,546 5,900 12,888 24,688
6,588 42,873 10,340 12,888 72,689
%Total 9.1% 59.0% 14.2% 17.7% 100.0%
"' Totals
Base 48,993 0 0 0 48,993
Levell 522,450 1,227,848 0 0 1,750,298
-- Leve12 5,376 84,224 32,385 0 121,985
Leve13 2,838 44,462 47,300 163,964 258,564
� 579,657 1,356,534 79,685 163,964 2,179,840
%Total 26.6% 62.2% 3.7% 7.5% 100.0%
� October 1999-September 2000
Base Cons 1 Cons 2 Cons 3 Total
Water Billing 377,464 1,002,477 35,585 47,934 1,463,460
%Total 25.8% 68.5% 2.4% 3.3% 100.0%
Sprinkler Billing 5,394 41,218 11,407 22,635 80,654
%Total 6.7% 51.1% 14.1% 28.1% 100.0%
Totals 382,858 1,043,695 46,992 70,569 1,544,114
%Total 24.8% 67.6% 3.0% 4.6% 100.0%
Note billing totals in 1000 gallons
� Avg% 26% 65% 3% 6% 100%
,p Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan
KLOTZ
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Future Water Consumption Possibilities
�
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January 2001 Groundwater Reduction Plan
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APPENDIX C-1
Future Water Usage Year 2002
Consumption Rate 136 GPCD
Groundwater Reduction Plan
City of Friendswood
Klotz Associates Project No.40701
Month Percent of Total Usage Monthly Usage Days in Average Daily Monthly Surface Monthly Ground
Total** (gal x 1000) (�al x 1000) Month Consumption Water Usage Water Usage*
Jan 5.84 1,823,178 106,474 31 3,435 101,150 5,324
Feb 5.26 1,823,178 95,899 28 3,425 91,104 4,795
Mar 6.22 1,823,178 113,402 31 3,658 107,732 5,670
Apr 7.58 1,823,178 138,197 30 4,607 131,287 6,910
May 12.12 1,823,178 220,969 31 7,128 186,000 34,969
Jun 12.79 1,823,178 233,184 30 7,773 180,000 53,184
Jul 12.23 1,823,178 222,975 31 7,193 186,000 36,975
Aug 11.20 1,823,178 204,196 31 6,587 186,000 18,196
Sept 7.30 1,823,178 133,092 30 4,436 126,437 6,655
Oct 6.97 1,823,178 127,076 31 4,099 120,722 6,354
Nov 6.26 1,823,178 114,131 30 3,804 108,424 5,707
Dec 6.24 1,823,178 113,766 31 3,670 108,078 5,688
1,632,935 190,426
Average Daily Flow 5.00 MGD 89.6% 10.4%
Max Day=Avg Day x 2.15 ]0.74 MGD
Avaliable Groundwater 5.00 MGD
Surface Water Required 5.74 MGD 136 GPCD
*Assume that minimum of 5%of monthly usage supplied by ground water to excersize all wells.
**Water percentages per month correspond to year in which per capita rate occurred.
136 gpd per capita rate occurred in 1998.
Population served 36,728
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Future Water Usage Year 2005
Consumption Rate l36 GPCD
Groundwater Reduction Plan
City of Friendswood
Klotz Associates Project No.40701
Month Percent of Total Usage Monthly Usage Days in Average Daily Monthly Surface Monthly Ground
Total** (gal x 1000) (gal x 1000) Month Consumption Water Usage Water Usage*
Jan 5.84 2,098,531 122,554 31 3,953 116,426 6,128
Feb 5.26 2,098,531 110,383 28 3,942 104,864 5,519
Mar 6.22 2,098,531 130,529 31 4,211 124,003 6,526
Apr 7.58 2,098,531 159,069 30 5,302 151,116 7,953
May 12.12 2,098,531 254,342 31 8,205 186,000 68,342
Jun 12.79 2,098,531 268,402 30 8,947 180,000 88,402
Jul 12.23 2,098,531 256,650 31 8,279 186,000 70,650
Aug 11.20 2,098,531 235,035 31 7,582 186,000 49,035
Sept 7.30 2,098,531 153,193 30 5,106 145,533 7,660
Oct 6.97 2,098,531 146,268 31 4,718 138,955 7,313
Nov 6.26 2,098,531 131,368 30 4,379 124,800 6,568
Dec 6.24 2,098,531 130,948 31 4,224 124,401 6,547
1,768,096 330,645
Average Daily Flow 5.75 MGD 84.2% 15.8%
Max Day=Avg Day x 2.15 12.36 MGD
Avaliable Groundwater 5.00 MGD
Surface Water Required 7.36 MGD 136 GPCD
*Assume that minimum of 5%of monthly usage supplied by ground water to excersize all wells.
**Water percentages per month correspond to year in which per capita rate occurred.
136 gpd per capita rate occurred in 1998.
Population served 42,275
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Future Water Usage Year 2010
Consumption Rate 136 GPCD
Groundwater Reduction Plan
City of Friendswood
Klotz Associates Project No.40701
Month Percent of Total Usage Monthly Usage Days in Average Daily Monthly Surface Monthly Ground
Total** (gal x 1000) (gal x 1000) Month Consumption Water Usage Water Usage*
Jan 5.84 2,652,911 154,930 31 4,998 147,184 7,747
Feb 5.26 2,652,911 139,543 28 4,984 132,566 6,977
Mar 6.22 2,652,911 165,011 31 5,323 156,760 8,251
Apr 7.58 2,652,911 201,091 30 6,703 191,036 10,055
May 12.12 2,652,911 321,533 31 10,372 217,000 104,533
Jun 12.79 2,652,911 339,307 30 11,310 210,000 129,307
Jul 12.23 2,652,911 324,451 31 10,466 217,000 107,451
Aug 11.20 2,652,911 297,126 31 9,585 217,000 80,126
Sept 7.30 2,652,911 193,662 30 6,455 183,979 9,683
Oct 6.97 2,652,911 184,908 31 5,965 175,663 9,245
Nov 6.26 2,652,911 166,072 30 5,536 157,768 8,304
Dec 6.24 2,652,911 165,542 31 5,340 157,265 8,277
2,163,221 489,955
Average Daily Flow 7.27 MGD 81.5% 18.5%
Max Day=Avg Day x 2.15 15.63 MGD
Avaliable Groundwater 5.00 MGD
Surface Water Required 10.63 MGD 136 GPCD
*Assume that minimum of 5%of monthly usage supplied by ground water to excersize all wells.
**Water percentages per month correspond to year in which per capita rate occurred.
136 gpd per capita rate occurred in 1998.
Population served 53,443
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Future Water Usage Year 2030
Consumption Rate 136 GPCD
Groundwater Reduction Plan
City of Friendswood
Klotz Associates Project No.4070]
Month Percent of Total Usage Monthly Usage Days in Average Daily Monthly Surface Monthly Ground
Total** (gal x 1000) (gal x 1000) Month Consumption Water Usage Water Usage*
Jan 5.84 2,849,336 166,401 31 5,368 158,081 8,320
Feb 5.26 2,849,336 149,875 28 5,353 142,381 7,494
Mar 6.22 2,849,336 177,229 31 5,717 168,368 8,861
Apr 7.58 2,849,336 215,980 30 7,199 205,181 10,799
May 12.12 2,849,336 345,340 31 11,140 186,000 159,340
Jun 12.79 2,849,336 364,430 30 12,148 180,000 184,430
Jul 12.23 2,849,336 348,474 31 11,241 186,000 162,474
Aug 11.20 2,849,336 319,126 31 10,294 186,000 133,126
Sept 7.30 2,849,336 208,002 30 6,933 197,602 10,400
Oct 6.97 2,849,336 198,599 31 6,406 188,669 9,930
Nov 6.26 2,849,336 178,368 30 5,946 169,450 8,918
Dec 6.24 2,849,336 177,799 31 5,735 168,909 8,890
2,136,640 712,983
Average Daily Flow 7.81 MGD 75.0% 25.0%
Max Day=Avg Day x 2.15 16.78 MGD
Avaliable Groundwater 5.00 MGD
Surface Water Required 11.78 MGD 136' GPCD
*Assume that minimum of 5%of monthly usage supplied by ground water to excersize all wells.
**Water percentages per month correspond to year in which per capita rate occurred.
136 gpd per capita rate occurred in 1998.
Population served 57,400
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Future Water Usage Year 2002
Consumption Rate l50 GPCD
Groundwater Reduction Plan
City of Friendswood
Klotz Associates Project No.40701
Month Percent of Total Usage Monthly Usage Days in Average Daily Monthly Surface Monthly Ground
Total** (gal x 1000) (gal x 1000) Month Consumption Water Usage Water Usage*
Jan 5.84 2,010,858 117,434 31 3,788 111,562 5,872
Feb 5.26 2,010,858 105,771 28 3,778 100,482 5,289
Mar 6.22 2,010,858 125,075 31 4,035 118,821 6,254
Apr 7.58 2,010,858 152,423 30 5,081 144,802 7,621
May 12.12 2,010,858 243,716 31 7,862 186,000 57,716
Jun 12.79 2,010,858 257,189 30 8,573 180,000 77,189
Jul 12.23 2,010,858 245,928 31 7,933 186,000 59,928
Aug 11.20 2,010,858 225,216 31 7,265 186,000 39,216
Sept 7.30 2,010,858 146,793 30 4,893 139,453 7,340
Oct 6.97 2,010,858 140,157 31 4,521 133,149 7,008
Nov 6.26 2,010,858 125,880 30 4,196 119,586 6,294
Dec 624 2,010,858 125,478 31 4,048 119,204 6,274
1,725,060 286,000
Average Daily Flow 5.51 MGD 85.8% 142%
Max Day=Avg Day x 2.15 11.84 MGD
Avaliable Groundwater 5.00 MGD
Surface Water Required 6.84 MGD 150 GPCD
*Assume that minimum of 5%of monthly usage supplied by ground water to excersize all wells.
**Water percentages per month correspond to year in which per capita rate occurred.
136 gpd per capita rate occurred in 1998.
Population served 36,728
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Future Water Usage Year 2005
Consumption Rate I50 GPCD
Groundwater Reduction Plan
City of Friendswood
Klotz Associates Project No.40701
Month Percent of Total Usage Monthly Usage Days in Average Daily Monthly Surface Monthly Ground
Total** (gal x 1000) (gal x 1000) Month Consumption Water Usage Water Usage*
Jan 5.84 2,314,556 135,170 31 4,360 128,412 6,759
Feb 5.26 2,314,556 121,746 28 4,348 115,659 6,087
Mar 6.22 2,314,556 143,965 31 4,644 136,767 7,198
Apr 7.58 2,314,556 175,443 30 5,848 166,671 8,772
May 12.12 2,314,556 280,524 31 9,049 186,000 94,524
Jun 12.79 2,314,556 296,032 30 9,868 180,000 116,032
Jul 12.23 2,314,556 283,070 31 9,131 186,000 97,070
Aug 11.20 2,314,556 259,230 31 8,362 186,000 73,230
Sept 7.30 2,314,556 168,963 30 5,632 160,515 8,448
Oct 6.97 2,314,556 161,325 31 5,204 153,259 8,066
Nov 6.26 2,314,556 144,891 30 4,830 137,646 7,245
Dec 6.24 2,314,556 144,428 31 4,659 137,207 7,221
1,874,134 440,653
Average Daily Flow 634 MGD 81.0°/a 19.0%
Max Day=Avg Day x 2.15 13.63 MGD
Avaliable Groundwater 5.00 MGD
Surface Water Required 8.63 MGD 150 GPCD
*Assume that minimum of 5%of monthly usage supplied by ground water to excersize all wells.
**Water percentages per month correspond to year in which per capita rate occurred.
136 gpd per capita rate occurred in 1998.
Population served 42,275
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APPENDIX C-7
Future Water Usage Year 2010
Consumption Rate 150 GPCD
Groundwater Reduction Plan
City of Friendswood
Klotz Associates Project No.40701
Month Percent of Total Usage Monthly Usage Days in Average Daily Monthly Surface Monthly Ground
Total** (gal x 1000) (gal x 1000) Month Consumption Water Usage Water Usage*
Jan 5.84 2,926,004 170,879 31 5,512 162,335 8,544
Feb 5.26 2,926,004 153,908 28 5,497 146,213 7,695
Mar 6.22 2,926,004 181,997 31 5,871 172,897 9,100
Apr 7.58 2,926,004 221,791 30 7,393 210,701 11,090
May 12.12 2,926,004 354,632 31 11,440 232,500 122,132
Jun 12.79 2,926,004 374,236 30 12,475 225,000 150,000
Jul ]2.23 2,926,004 357,850 31 11,544 232,500 125,350
Aug 11.20 2,926,004 327,712 31 ]0,571 232,500 95,212
Sept 7.30 2,926,004 213,598 30 7,120 202,918 10,680
Oct 6.97 2,926,004 203,942 31 6,579 193,745 10,197
Nov 6.26 2,926,004 183,168 30 6,106 174,010 9,158
Dec 624 2,926,004 182,583 31 5,890 173,454 9,129
2,358,773 568,287
Average Daily F►ow 8.02 MGD 80.6% 19.4°/a
Max Day=Avg Day x 2.15 17.24 MGD
Avaliable Groundwater 5.00 MGD
Surface Water Required 12.24 MGD 190 GPCD
*Assume that minimum of 5%of monthly usage supplied by ground water to excersize all wells.
**Water percentages per month correspond to year in which per capita rate occurred.
136 gpd per capita rate occurred in 1998.
Population served 36,728
KLOTZ
�.. ASSOCIATES,
I N C.
C O N S U l T I N G
ENGINEERS
M.+
_ Appendix D
Cost Estimates
�
,�
�
� Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
'°" APPENDIX D- 1
Preliminary Construction Cost Estimate
Beamer Road Pump Station-Phase I
- Friendswood Groundwater Reduction Plan
City of Friendswood
�
Unit Total
Description Quantity Unit Price Price
,.. General Requirements 1 LS $125,000 $125,000
Property off Beamer Road 1.5 AC $40,000 $60,000
One Million Gallon Concrete Storage Tank 1 EA $500,000 $500,000
� Flow Tube Mag Meter 1 EA $28,270 $28,270
Mag Meter Converter 1 EA $3,450 $3,450
24-inch Altitude Valves 1 EA $25,000 $25,000
� 24-inch Butterfly Valves 5 EA $7,500 $37,500
12-inch Butterfly Valves 8 EA $2,000 $16,000
12-inch Check Valves 3 EA $30,000 $90,000
24-inch Ductile Iron Pipe for Yard Piping 750 LF $130 $97,500
" 30-inch Ductile Iron Pipe for Yard Piping 20Q LF $150 $30,000
4,000 GPM Horizontal Pumps at 185 TDH,250 HP. 3 EA $60,000 $180,000
Pump Station Piping 1 LS $120,000 $120,000
°�- Pump Station Building 1 LS $160,000 $160,000
Electrical 1 LS $475,000 $475,000
Concrete Access Road 750 SY $48 $36,000
-- 6-foot Chain Link Fence with 3 Strands of Barbed Wir� 1000 LF $12 $12,350
6-foot Swing Double Gate 16 feet Wide 1 EA $600 $600
Subtotal $1,996,670
Professional Services and Contingency $499,330
Total $2,496,000
�,�
.,r
�
�-- Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
APPENDIX D-2
Preliminary Construction Cost Estimate
�-- Beamer Road Pump Station-Phase II
Friendswood Groundwater Reduction Plan
City of Friendswood
�
Descri�tion Quantity Unit Price Price
,,,,, General Requirements 1 LS $50,000 $50,000
One Million Gallon Concrete Storage Tank 1 EA $500,000 $500,000
24-inch Ductile Iron Pipe for Yard Piping 50 LF $130 $6,500
� 24-inch Altitude Valves 1 EA $25,000 $25,000
12-inch Check Valves 1 EA $30,000 $30,000
4,000 GPM Horizontal Pumps at 185 TDH,250 HP. 1 EA $75,000 $75,000
�
Electrical 1 LS $100,000 $100,000
Subtotal $786,500
'"' Professional Services and Contingency $196,500
Total $983,000
�
�
�
� Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
APPENDIX D-3
Preliminary Construction Cost Estimate
-° 24 Inch Trunk Water Main
Friendswood Groundwater Reduction Plan
City of Friendswood
�
Unit Total
.,,,, Description Quantity Unit Price Price
General Requirements 1 LS $60,000 $60,000
24-inch Ductile Iron Pipe for Off-Site Piping 7,800 LF $130 $1,014,000
,�..
Subtotal $1,074,000
Professional Services and Contingency $269,000
Total $1,343,000
�
...
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�
,,,,, Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
�
APPENDIX D-4
Preliminary Construction Cost Estimate
� West Side 1.0 MG Elevated Tank
Friendswood Groundwater Reduction Plan
City of Friendswood
„�.
Unit Total
.,,,,, Description Quantity Unit Price Price
General Requirements 1 LS $50,000 $50,000
1.0 MG Elevated Tank 1 LS $1,325,000 $1,325,000
�
Yard Piping 1 LS $75,000 $75,000
Site Improvements 1 LS $20,000 $20,000
"� Subtotal $1,470,000
Professional Services and Contingency $369,000
�
Total $1,839,000
�
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,,,,, Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
APPENDIX D-5
Preliminary Construction Cost Estimate
�- Bay Area Blvd 14" Water Main
Friendswood Groundwater Reduction Plan
City of Friendswood
Unit Total
.,,� Description Quantity Unit Price Price
General Requirements 1 LS $45,000 $45,000
14-inch Water Main-Open Cut 10,900 LF $42 $457,800
�
14-inch Water Main-Augered 2,000 LF $65 $130,000
14-inch Water Main-Bored and Jacked 700 LF $135 $94,500
" Subtotal $727,300
Professional Services and Contingency $181,700
Total $909,000
,--
Based on data from"Evaluation of Water Distribution System"Perpaired by Wayne Smith&Associates,May 1998.
�,
,„.;�
�
�
�
,,.. Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
�
APPENDIX D-6
Preliminary Construction Cost Estimate
�-- WWTP 8" WaterLine
Friendswood Groundwater Reduction Plan
City of Friendswood
Unit Total
� Description uantity Unit Price Price
General Requirements 1 LS $4,000 $4,000
8-inch Water Main-Open Cut 850 LF $30 $25,500
� 8-inch Water Main-Augered 100 LF $60 $6,000
8-inch Water Main-Bored and Jacked 50 LF $100 $5,000
�
Subtotal $40,500
Professional Services and Contingency $10,500
�
Total $51,000
,_
Based on data from"Evaluation of Water Distribution System"Perpaired by Wayne Smith&Associates,May 1998.
....
�..
...
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po..
,.. Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
APPENDIX D-7
Preliminary Construction Cost Estimate
-- Rancho Viejo Waterline
Friendswood Groundwater Reduction Plan
City of Friendswood
Unit Total
„�, Description Quantity Unit Price Price
General Requirements 1 LS $20,000 $20,000
12-inch Water Main-Open Cut 7750 LF $38 $294,500
M..
12-inch Water Main-Augerer 150 LF $65 $9,750
12-inch Water Main-Bored and Jacked 50 LF $130 $6,500
"�` Subtotal $330,750
Professional Services and Contingency $82,250
,�..
Total $413,000
Based on data from"Evaluation of Water Distribution System"Perpaired by Wayne Smith&Associates,May 1998.
�
�
.�..
�
w— Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
APPENDIX D-8
Preliminary Construction Cost Estimate
�- Blackhawk Pump Station 0.5 MG Ground Storage Tank
Friendswood Groundwater Reduction Plan
City of Friendswood
Unit Total
Description Quantity Unit Price Price
General Requirements 1 LS $10,000 $10,000
0.5 MG Ground Storage Tank 1 LS $220,000 $220,000
�,,, Yard Piping 1 LS $5,000 $5,000
Site Improvements 1 LS $5,000 $5,000
� Subtotal $240,000
Professional Services and Contingency $60,000
�
Total $300,000
�
,•-
�
...
�
...
�.— Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
APPENDIX D-9
Preliminary Construction Cost Estimate
� Future Waterline Replacement and Upgrades
Friendswood Groundwater Reduction Plan
City of Friendswood
Unit Total
Description Quantity Unit Price Price
General Requirements 1 LS $50,000 $50,000
12-inch Water Main-Open Cut 6,400 LF $38 $243,200
�, 12-inch Water Main-Augerer 6,800 LF $65 $442,000
12-inch Water Main-Bored and Jacked 500 LF $130 $65,000
"� Subtotal $800,200
Professional Services and Contingency $199,800
�
Total $1,000,000
,.,
�
�
�,..
�-
�
"' Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
KLOTZ
..- ASSOCIATES,
I N C.
C O N 5 U l T i N G
ENGiNEERS
�
�
�
�. Appendix E
Water Operations Expenditures
�M
�
�
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�
_
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,�.... Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
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Water Oaerations
Personnel Services
Cost per Capita
Supplies
Cost per Capita
Repairs and Maintenance
Cost per Capita
Other Services and Charges
Cost per Capita
�
COH Water
1000 gal/yr
Avg MGD
$/1000 gal-2%Inflatio
Capital expenses
Sub-total
Administration
Personnel Services
Cost per Capita
Suppiles
Cost per Capita
Repairs and maintenance
Cost per Capita
Other services and charges
Cost per Capita
Capital outlay
Cost per Capita
Sub-total
Debt Service
Debt Service
Reserve
Sub-total
TOTAL
Estimated Population
Assume annual inflation 3%
't �� ► [ � �� t i � �l 1 � �
APPENDIX E
Water Operations Expenditures
Friendswood Groundwater Heduction Plan
City of Friendswood
Kiotz Associates Project No.40701
December 6,2000
i'��BiQI�G'd�EX�81'!S@$ `i B83@ "
PrCj�i�i"; �� , ��
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96-97 97-98 98-99 99-00 00-01 01-02 02-03 03-04 04-OS 05-06 06-07 07-OS OS-09 09-10
241,191 295,993 328,877 334,410 360,974 389,647 420,602 454,019 490,083 529,013 571,043 616,398 665,369 718,229
8.30 9.60 10.28 10.00 10.30 10.61 10.93 11.26 11.59 11.94 12.30 12.67 13.05 13.44
46,309 53,812 90,585 75,242 81,219 87,671 94,635 102,154 110,269 119,028 128,485 138,689 149,708 161,602
1.59 1.74 2.83 2.25 2.32 2.39 2.46 2.53 2.61 2.69 2.77 2.85 2.94 3.02
69,977 123,799 140,738 133,764 144,390 155,859 168,241 181,608 196,033 211,605 228,417 246,559 266,148 287,292
2.41 4.01 4.40 4.00 4.12 424 4.37 4.50 4.64 4.78 4.92 5.07 522 5.38
206,847 219,263 306,620 267,528 288,779 311,718 376,897 406,842 439,159 474,043 511,706 552,348 596,230 643,598
7.12 7.11 9.58 8.00 8.24 8.49 9.79 10.09 10.39 10.70 11.02 11.35 11.69 12.04
564,324 692,867 866,820 810,944 875,361 944,8951,060,374 1,144,623 1,235,544 1,333,6891,439,650 1,553,994 1,677,455 1,810,720
285,497 303,380 224,638 324,251 346,610 494,014 528,082 564,504 603,429 645,038 689,526 737,065 787,899 842,236
782,183 831,178 553,840 842,212 882,634 1,233,3261,292,528 1,354,584 1,419,595 1,487,728 1,559,153 1,633,969 1,712,4121,794,616
2.14 2.28 1.52 2.50 2.42 3.38 3.54 3.71 3.89 4.08 4.27 4.48 4.69 4.92
0.365 0.407 0.407 0.385 0.393 0.401 0.409 0.417 0.425 0.434 0.442 0.451 0.460 0.469
130,623 187,663 634,947 300,000 309,000 318,270 327,818 337,653 347,782 358,216 368,962 380,031 391,432 403,175
980,444 1,183,910 1,726,405 1,435,196 1,530,972 1,757,179 1,916,274 2,046,780 2,186,754 2,336,943 2,498,138 2,671,090 2,856,786 3,056,132
312,144 236,155 248,345 267,528 288,779 311,718 336,481 363,215 392,066 423,210 456,834 493,118 532,295 574,583
10.74 7.66 7.76 8.00 8.24 8.49 8.74 9.00 9.27 9.55 9.84 10.13 10.44 10.75
14,368 31,440 50,511 40,129 43,317 46,758 50,472 54,482 58,810 63,482 68,525 73,968 79,844 86,188
0.49 1.02 1.58 1.20 1.24 127 1.31 1.35 1.39 1.43 1.48 1.52 1.57 1.61
6,861 7,500 2,600 6,688 7,219 7,793 8,412 9,080 9,802 10,580 11,421 12,328 13,307 14,365
024 0.24 0.08 0.20 0.21 021 022 0.23 0.23 0.24 0.25 0.25 026 027
133,824 119,631 101,586 130,420 140,780 151,962 164,035 177,067 191,132 206,315 222,707 240,395 259,494 280,109
4.61 3.88 3.18 3.90 4.02 4.14 4.26 4.39 4.52 4.66 4.80 4.94 5.09 524
0 3,054 8,045 5,016 5,415 5,845 6,309 6,810 7,351 7,935 8,566 9,246 9,981 10,773
0.00 0.10 025 0.15 0.15 0.16 0.16 0.17 0.17 0.18 0.1 S 0.19 0.20 0.20
467,197 397,780 411,087 449,781 485,510 524,076 565,709 610,656 659,162 711,522 768,052 829,055 894,921 966,018
962,193 1,125,688 1,027,518 739,542 1,088,931 801,184 801,288 798,195 467,900 475,066 482,024 478,910 523,677 518,362
100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000
962,193 1,125,688 1,027,518 739,542 1,188,931 901,184 901,288 898,195 567,900 575,066 582,024 578,910 623,677 618,362
2,409,834 2,707,378 3,165,010 2,624,519 3,205,412 3,182,438 3,383,271 3,555,630 3,413,816 3,623,531 3,848,215 4,079,055 4,375,385 4,640,512
29,053 30,846 31,990 33,441 35,046 36,728 38,491 40,339 42,275 44,304 46,431 48,659 50,995 53,443
�
KLOTZ
,� ASSOCIATES,
I N C.
C O N 5 U l T I N G
ENGiNEERS
.w+
..�.
�
�
� Appendix F
Design Calculations
�
�
�
�
�
�
,,. Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan
�
City of Friendswood 40701
.... Surface Water Pump Station �WK
Design Calcs 11/6/00
PHASE I - 136 GPCD
� Groundwater Supply 5.0 MGD
COH Surfacewater Supply 6.0 MGD
TOTAL AVALABLE �1.0 MGD
.�
C� 136 GPCD demand can be met to year 2003, Max Day= 11.25 MGD
,� Max Hour= 16.88 MGD
Assume the following consumption pattern:
� 8hr 0.5 x Daily Demand=0.5 x 11.25= 5.63 MGD
8hr 1.0 x Daily Demand= 1.0 x 11.25= 11.25 MGD
�
8hr 1.5 x Daily Demand= 1.5 x 11.25= 16.88 MGD
Assume ground storage filled to capacity at night
Wefls produce 5.0 MGD
�
Ground Storage Capacity 2.653 MG
,.. Rate to distribution system from storage over 8 hrs = 7.96 MGD
Booster Pump Capacity controls 12.00 MGD
� Max Hr Demand Rate 16.88 MGD
Ground Water Delivery Rate 7.96 MGD
Required surface water delivery rate MGD
Surface water delivery rate from COH 6.00 MGD
__�
2.92 MGD
�
Required Storage at Beamer Rd take point= 0.97 MG
use 1.0 MG ground storage
�
Pump capacity 9.00 MGD= 6,250 GPM
Pump Discharge Head 185 ft
Use 2 pumps + 1 standby
HP= 185 3,125 = 182 use 150 HP
"'" 3,960 80%
�
Klotz Associates Project No.40701 City of Friendswood,Texas
� January 2001 Groundwater Reducrion Plan
�
,.. City of Friendswood 40701
Surface Water Pump Station JWK
Design Calcs 11/6/00
�
PHASE II - 136 GPCD
" 2005 Max Day Demand 12.36 MGD
2005 Max Hour Demand 18.54 MGD
� Groundwater Supply 6.5 MGD
Available from Groundwate�Storage 8.0 MGD
,,_, Groundwater Pumping Capacity 12 MGD
COH Surfacewater Supply 6.0 MGD
Available from Surfacewater Storage 3.0 MGD
�
TOTAL AVALABLE MGD
Max Hour avalable
°` Assume ground storage filled to capacity at night
Wells produce 5.0 MGD
,,.. Ground Storage Capacity 2.653 MG
Supply rate to distribution system over 8 hrs= 7.96 MGD
� Beamer Road Capacity
Firm Pump Capacity 2 pumps � 4000gpm 11.52 MGD
Total 19.48 MGD
...
will meet 2006 Max Hr projected demand
�
�
�
�..
�
Klotz Associates Project No.40701 City of Friendswood,Texas
"� January 20Q 1 Groundwater Reducrion Plan
— - �
_._ . ___ ____ __.___..
�.-
City of Friendswood 40701
,_, Surface Water Pump Station JWK
Design Calcs 11/2/00
PHASE III - 136 GPCD
"� Groundwater Supply 5.0 MGD
COH Surfacewater Supply 12.0 MGD
TOTAL AVALABLE
C 136 GPCD build out demand , Max Day= i6.78 MGD
,.... Max Hour= 25.18 MGD
Assume the following consumption pattern:
�.-
Shr 0.5 x Daily Demand=0.5 x 16.78= 8.39 MGD
8hr 1.0 x Daily Demand= 1.0 x 16.78= 16.78 MGD
�
Shr 1.5 x Daily Demand= 1.5 x 16.78= 25.17 MGD
Assume ground storage filled to capacity at night
We11s produce 5.0 MGD
Ground Starage Capacity 2.653 MG
,�„ Rate to distribution system from storage over 8 hrs= 7.96 MGD
Booster Pump Capacity 8.00 MGD
"r Max Hr Demand Rate 25.17 MGD
Ground Water Delivery Rate 8.00 MGD
Required surface water delivery rate MGD
...
Surface water delivery rate from COH 12.00 MGD
_�
5.17 MGD
.�-
Required Storage at Beamer Rd take point= 1.72 MG
use 2.0 MG ground storage
�
Pump capacity 17.17 MGD= 11,924 GPM
Pump Discharge Head 185 ft
"'" Use 3 pumps + 1 standby
HP = 185 3,975 = 232 use 250 HP
� 3,960 80%
,,,, Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
KLOTZ
,_ ASSOCIATES,
I N C.
��N 5��T i N G
ENGINEERS
r
�
�
r
,r""
� Appendix G
Rate Study
�
�
�.
�
�
�
�
� Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan
TABLE G-1
WATER RATE STUDY
-- 10°/.Rate Increase
City of Friendswood
Klotz Associates Project No.40701
December 6,2000
Revenue 2002-Consumption at 136 GPCD
Annual Wa1er Production in MG 1,823•18
85%of water is accounted for Population 36,728
�..
Reve�ue distribu6on Connections 1000 At At
Gallons Curtent 10%
Rates Increase
1.10
"� Base 26% 10,494 402,922.43 $ 12.50 $1,574,058 $ 13.75 $1,731,463
Cons 1 65% 1,007,306.07 $ 2.15 $2,165,708 $ 2.37 $2,382.279
... Cons 2 3% 46,491.05 $ 1.55 $ 72,061 $ 1.71 $ 79.267
Cons 3 6% 92,982.10 $ 1.25 $ 92,983 $ 1.38 $ 127.850
1,549,701.65 $3,904,810 $4,320,860
"� Annual Expenditures $ 3,891,287
1,823,178.41 $ 2.14 $ 2.37
Cumulitive Surplus $ 429,573
,..
Revenue 2003-Consumption at 136 GPCD
Annual Water Production in MG 1,910.69
85%of water is accounted for Population �,491
� Revenue distribution Connections 1000 At At
Gallons Current 10%
Rates tncrease
1.10
" ' Base 26°/a 10,997 422,262.71 $ 12.50 $1,649,612 $ 13.75 $1,814,574
Cons 1 65% 1,055,656.77 $ 2.15 $2,269,662 $ 2.37 $2,496,628
�,,, Cons 2 3% 48,722.62 $ 1.55 $ 75,52(1 $ 1.71 $ 83,072
Cons 3 6% 97,445.24 $ 1.25 $ 97,446 $ 1.38 $ 133,987
1,624,087.33 $4,092,241 $4,528,261
a-- Annual Expenditures $ 3,604,269
1,910,690.98 $ 2.14 $ 2.37
Cumulitive Surplus $ 1,153,565
Revenue 2004-Consumption at 736 GPCD
Annual Water Production in MG 2,002.40
85%of water is accounted for Population 40,339
,...,
Revenue distribution Connections 1000 At At
Gallons Current 10%
Rates Increase
1.10
^'� Base 26% 11,525 442,531.32 $ 12.50 $1,728,794 $ 13.75 $1,901,673
Co11S 1 65% 1,106,328.29 $ 2.15 $2,378,606 $ 2.37 $2,616,466
,...
Cons 2 3% 51,061.31 $ 1.55 $ 79,145 $ 1.71 $ 87,060
Cons 3 6% 102,122.61 $ 1.25 $ 102,124 $ 1.38 $ 140,419
1,702,043.52 $4,288,668 $4,745,618
Annual Expenditures $ 4,875,915
2,002,404.14 $ 2.14 $ 2.37
Cumulitive Surplus $ 1,023,268
�«-
Klotz Associates Project No.40701 City of Friendswood,Texas
'""' January 2001 Groundwater Reducrion Plan
TABLE G-1
WATER RATE STUDY
� 10y.Rate Increase
City of Friendswood
Klotz Associates Project No.4a7U1
December 6,2000
Revenue 2005-Consumption at 136 GPCD
Annual Water Production in MG 2,098.52
85%of water is accounted for Population 42,275
Revenue distribulion ConneCtions 1000 At At
Gallons Current 10%
Rates Increase
1.10
� Base 26% 12,079 463,772.92 $ 12.50 $1,811.776 $ 13.75 $1.992,953
Cons 1 65% 1,159,432.30 $ 2.15 $2,492,779 $ 2.37 $2,742,057
^'� Cons 2 3% 53,512.26 $ 1.55 $ 82,944 $ 1.71 $ 91,238
Cons 3 6% 107.024.52 $ 1.25 $ 107,026 $ 1.38 $ 147,159
1,783,742.00 $4,494,525 $4,973,408
"� Annual Expenditures $ 5.061,303
2,098,520.00 $ 2.14 $ 2.37
Cumulitive Surplus $ 935,372
,...
Revenue 2006-Consumption at 136 GPCD
An�ual Water Production+n MG 2,199.25
85%of water is accounted for Population �.3�
..�
Revenue distribution Connections 1000 At At
Gallons CuRent 10%
Rates Increase
1.10
� Base 26% 12,658 486,033.91 $ 12.50 $1,898,741 $ 13.75 $2,088,615
Cons 1 65°/a 1.215,084.79 $ 2.15 $2,612,432 $ 2.37 $2,873,676
--- Cons 2 3% 56,080.84 $ 1.55 $ 86,925 $ 1.71 $ 95,618
Cons 3 6°l0 112.161.67 $ 1.25 $ 112.163 $ 1.38 $ 154.222
1,869,361.21 $4,710,262 $5,212,131
` Annual Expenditures $ 5,128,240
2,199,248.48 $ 2.14 $ 2.37
Cumulitive Surplus $ 1,019,263
Revenue 2007-Consumption at 136 GPCD
Annual Water Production in MG 2,304.81
85%of water is accounted for Population 46,431
� Revenue distribution Connections 1000 At At
Gallons Current 10%
Rates Increase
1.10
"` Base 26°!0 13,266 509,363.54 $ 12.50 $1,989,881 $ 13.75 $2,188,869
Cons 1 65% 1,273,408.86 $ 2.15 $2,737,829 $ 2.37 $3,011,612
,_. Cons 2 3% 58,772.72 $ 1.55 $ 91,098 $ 1.71 $ 100,207
Cons3 6% 1t7,545.43 $ 1.25 $ 117,547 $ 1.38 $ 161,625
1,959,090.55 $4,936,354 $5,462,313
""' Annual Expenditures $ 5,353,132
2,304,812.41 $ 2.14 $ 2.37
Cumulitive Surplus $ 1,128,444
,�.
Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan
TABLE G•1
WATER RATE STUDY
'""` 10Y.Rate Increase
City of Friendswood
Klotz Assxiates Project No.40701
December 6,2000
Revenue 2008-Consumption at 136 GPCD
Annual Water Production in MG 2.415.44
85%of water is accounted for Population 48,659
� Revenue distribution Connections 1000 At At
Gallons Curcent 10%
Rates Increase
1.10
� Base 26% 13,903 533,812.99 $ 12.50 $2,085,395 $ 13.75 $2,293.934
Cons 1 65°10 1,334,532.48 $ 2.15 $2,869,245 $ 2.37 $3,156,169
-� Cons 2 3% 61.593.81 $ 1.55 $ 95,470 $ 1.71 $ 105,017
Cons 3 6% 123,187,61 $ 1.25 $ 123,189 $ 1.38 $ 169,383
2,053,126,89 $5,173,299 $5,724,504
�" Annual Expenditures $ 5,353,132
2.415,A43.40 $ 2.14 $ 2.37
Cumulitive Surplus $ 1,499,816
�.-
Revenue 2009-Consumption at 136 GPCD
Annual Water Production in MG 2,531.38
85%of water is accounted for Population 50,895
� Revenue distribution Connedions 1000 At At
Gallons Current 10%
Rates Increase
1.10
�' Base 26% 14,570 559,436.02 $ 12.50 $2,185,494 $ 13.75 $2,404,043
Cons 1 65% 1,398,590.04 $ 2.15 $3,006,969 $ 2.37 $3,307,665
..�» Cons 2 3°/a 64,550.31 $ 1.55 $ 100,053 $ 1.71 $ 110,058
Cons 3 6% 129,100.62 $ 1.25 $ 129,102 $ 1.38 $ 177,513
2,151,676.98 $5,421,617 $5,999,280
"' Annual Expenditures $ 5,353,132
2,531,384.69 $ 2.14 $ 2.37
Cumulitive Surplus $ 2,145,965
Revenue 2010-Consumption at 136 GPCD
Annual Water Production in MG 2,652.89
85°l0 oP water is accounted for Population �.�3
� Revenue distribution Connections 1000 At At
Galfons Current 10%
Rates Increase
1.10
" Base 26°!0 15,269 586,288.94 $ 12.50 $2,290,398 $ 13.75 $2,519,437
Cons 1 65% 1,465,722.36 $ 2.15 $3,151,303 $ 2.37 $3,466,433
„�, Cons 2 3% 67,648J2 $ 1.55 $ 104.856 $ 1.71 $ 115.341
Cons 3 6% 135,297.45 $ 1.25 $ 135,299 $ 1.38 $ 186,034
2,254,957.48 $5,681,855 $6,287,246
"' Annual Expenditures $ 5,353,132
2,652,891.15 $ 2.14 $ 2.37
Cumulitive Surplus $ 3,080,079
Klotz Associates Project No.40701 City of Friendswood,Texas
^- January 2001 Groundwater Reduction Plan
TABLE Ca-2
, WATER RATE STUDY
15X Rate Increase
City of Friendswood
Klotz Associates Project No.40707
December 6,2000
Revenue 2002-Consumption at 136 GPCD
Annual Water Production in MG 1,823.18
,,,,, 85%of water is accounted for Population 36,728
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
° 1.15
Base 26% 10,494 402.922.43 $ 12.50 $1,574,058 $ 14.38 $1,810,166
CAns 1 65% 1,007,306.07 $ 2.15 $2,165,708 $ 2.47 $2,490,564
'M Cons 2 3% 46,491.05 $ 1.55 $ 72,061 $ 1.78 $ 82,870
Cons 3 6% 92,982.10 $ 1.25 $ 92,983 $ 1.44 $ 133,662
.-. 1,549,701.65 $3,904,810 $4,517,263
Annual Eupenditures $3,891,287
1,823,178.41 $ 2.14 $ 2.48
Cumulitive Surplus $ 625,976
..,+
Revenue 2003-Consumption at 138 GPCD
Annual Water Production in MG 1,910.69
� 85%of water is accounted for Populatio� 38,491
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
� 1.15
Base 26% 10,997 422,262.71 $ 12.50 $1.649,612 $ 14.38 $1,897,054
Cons 1 65% 1,055,656.77 $ 2.15 $2,269,662 $ 2.47 $2,610,111
""" Cons 2 3% 48,722.62 $ 1.55 $ 75,520 $ 178 $ 86,848
Cons 3 6% 97,445.24 $ 1.25 $ 97,446 $ 1.44 $ 140,078
1,624,087.33 $4,092,241 $4,734,091
Annual Expenditures $3,804,269
1,910,690.98 $ 2.14 $ 2.48
Cumulitive Surplus $1,555,798
Revenue 2004-Consumption at 136 GPCD
Annual Water Production in MG 2,002.40
� 85%of water is accounted for Population 40,339
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
+�+► 1.15
Base 26% 11,525 442,531.32 $ 12.50 $1,728,794 $ 14.38 $1,988,113
Cons 1 65% 1,106,328.29 $ 2.15 $2,378,606 $ 2.47 $2,735,397
^� Cons 2 3% 51,061.31 $ 1.55 $ 79,145 $ 1.78 $ 91,017
Cons 3 6% 102,122.61 $ 1.25 $ 102,124 $ 1.44 $ 146,801
1,702,043.52 $4,288,668 $4,961,328
Annual Expenditures $4,875,915
2,002,404.14 $ 2.14 $ 2.48
Cumulitive Surplus $1,641,210
Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
TABLE G•2
� WATER RATE STUDY
15X Ratelncrease
City of Friendswood
Klotz Associates Project No.40701
December 6,2000
Revenue 2005-Consumption at 136 GPCD
Annual Water Production in MG 2,098.52
� 85%of water is accounted for Population 42,275
Revenue distribution Connections 1000 At At
Gallons Current 15°/a
Rates Increase
"° 1.15
Base 26% 12,079 463.772.92 $ 12.50 $1,811,776 $ 14.38 $2.083,542
Cons 1 65% 1,159,432.30 $ 2.15 $2,492,779 $ 2.47 $2,866,696
�"' Cons 2 3% 53,512.26 $ 1.55 $ 82,944 $ 1.78 $ 95,386
Cons 3 6% 107,024.52 $ 1.25 $ 107,026 $ 1.44 $ 153,848
,� 1,783,742.00 $4.494.525 $5,199,472
Annual Expenditures $5,061,303
2,098,520.00 $ 2.14 $ 2.48
Cumulitive Surplus $1,779,379
Revenue 2008-Consumption at 136 GPCD
Annual Water Production in MG 2,199.25
� 85%of water is accounted for Population 44,304
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
-- 1.15
Base 26% 12,658 486,033.91 $ 12.50 $1,898,741 $ 14.38 $2,183,552
Cons 1 65% 1,215,084.79 $ 2.15 $2,612,432 $ 2.47 $3.004,297
"" Cons 2 3% 56,080.84 $ 1.55 $ 86,925 $ 1.78 $ 99,964
Cons 3 6% 112,161.67 $ 1.25 $ 112,163 $ 1.44 $ 161,232
1,869,361.21 $4,710,262 $5,449,046
` Annual Expenditures $5,128,240
2,199,248.48 $ 2.14 $ 2.48
Cumulitive Surplus $2,100,185
Revenue 2007-Consumption at 136 GPCD
Annual Water Production in MG 2,304.81
� 85%of water is accounted for Population 46,431
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
1.15
Base 26% 13,266 509,363.54 $ 12.50 $1,989,881 $ 14.38 $2,288,363
Cons 1 65% 1,273,408.86 $ 2.15 $2,737,829 $ 2.47 $3,148,503
+� Cons 2 3% 58,772.72 $ 1.55 $ 91,098 $ 1.78 $ 104,762
Cons 3 6% 117,545.43 $ 1.25 $ 117,547 $ 1.44 $ 168,972
,v 1,959,090.55 $4,936,354 $5,710,600
Annual Expenditures $5,353,132
2,304,812.41 $ 2.14 $ 2.48
Cumulitive Surplus $2,457,653
Klotz Associates Project No.40701 City of Friendswood,Texas
"'� January 2001 Groundwater Reducrion Plan
TABLE G-2
e� WATER RATE STUDY
15%.Rate Inaease
City of Friendswood
Klo�Assoeiates Project No.40707
December 6,2000
Revenue 2008-Consumption at 136 GPCD
Annual Water Production in MG 2,415.44
� 85%of water is accountecl for Population 48,659
Revenue distribution Connections 1000 At At
Gailons Current 15%
Rates Increase
"' 1.15
Base 26°/a 13,903 533,812.99 $ 12.50 $2,085,395 $ 14.38 $2,398,204
Cons 1 65% 1,334,532.48 $ 2.15 $2,869,245 $ 2.47 $3.299,632
` Cons 2 3% 61,593.81 $ 1.55 $ 95,470 $ 1.78 $ 109,791
Cons 3 6% 123,187.61 $ 1.25 $ 123,189 $ 1.44 $ 177,082
» 2,053,126.89 $5,173,299 $5,984,709
Annual Expenditures $5,594,044
2,415,443.40 $ 2.14 $ 2.48
Cumulitive Surplus $2,848,318
Revenue 2009-Consumption at 136 GPCD
Annual Water Production in MG 2,531.38
� 85%of water is accounted for Population 50,995
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
- 1.15
Base 26% 14,570 559,436.02 $ 12.50 $2,185,494 $ 14.38 $2,513,318
Cons 1 65% 1,398,590.04 $ 2.15 $3,006,969 $ 2.47 $3,458.014
"" Cons 2 3% 64,550.31 $ 1.55 $ 100,053 $ 1.78 $ 115,061
Cons 3 6% 129,100.62 $ 1.25 $ 129,102 $ 1.44 $ 185,582
,,,,, 2,151,676.98 $5,421,617 $6,271,975
Annual Expenditures $5,842,493
2,531,384.69 $ 2.14 $ 2.48
Cumulitive Surplus $3,277,800
Revenue 2010-Consumption at 136 GPCD
Annual Water Production in MG 2,652.89
� 85%of water is accounted for Population 53,443
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
.� 1.15
Base 26°/, 15,269 586,288.94 $ 12.50 $2,290,398 $ 14.38 $2,633,957
Cons 1 65% 1,465,722.36 $ 2.15 $3,151,303 $ 2.47 $3,623,999
�- COnS 2 3% 67,648.72 $ 1.55 $ 104,856 $ 1.78 $ 120,584
Cons 3 6% 135,297.45 $ 1.25 $ 135,299 $ 1.44 $ 194,490
,,,� 2,254,957.48 $5,681,855 $6,573,030
Annual Expenditures $6,157,702
2,652,891.75 $ 2.14 $ 2.48
Cumulitive Surplus $3,693,127
Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
TABLE G-3
WATER RATE STUDY
�°� 15%Rate Increase-2005 Capital Projects paid from Surplus Funds
City of Friendswood
Klotz Associates Project No.407U1
Revenue 2002-Consumption at 136 GPCD
Annual Water Production in MG 1,823•�8
85%of water is accounted for Population 36,728
�--
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
1.15
"~ Base 26% 10,494 402,922.43 $ 12.50 $1,574,058 $ 14.38 $1,810,166
Cons 1 65% 1,007,306.Q7 $ 2.15 $2,165,708 $ 2.47 $2,490,564
,..�. Cons 2 3°le 46,491.05 $ 1.55 $ 72,061 $ 1.78 $ 82,870
Cons 3 6% 92,982.10 $ 1.25 $ 92,983 $ 1.44 $ 133,662
1,549,701.65 $3,904,810 $4,517,263
""` Annual Expenditures $3,891,287
1,823,t78.41 $ 2.14 $ 2.48
Cumulitive Surplus $ 625,976
Revenue 2003-Consumption at 136 GPCD
Annual Water Production in MG 1,910.69
85%of water is accounted for Population 38,491
� Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
1.15
'° Base 26/ 10,997 422,262.71 $ 12.50 $1,649,612 $ 14.38 $1,897,054
Cons 1 65% 1,055,656.77 $ 2.15 $2,269,662 $ 2.47 $2,610,111
Cons 2 3% 48,722.62 $ 1.55 $ 75,520 $ 1•78 $ 86,848
Cons 3 6% 97,445.24 $ i 25 $ 97,446 $ 1.44 $ 140,078
1,624,087.33 $4,092,241 $4,734,091
-•- Annual Expenditures $3,804,269
1,910,690.98 $ 2.14 $ 2.48
Cumulitive Surplus $1,555,798
Revenue 2004-Consumption ai 136 GPCD
Annual Water Production in MG 2.002.40
85%of water is accounted for Population 40,339
� Revenue distribution Connections 1000 At At
Gallons Gurrent 15°/
Rates increase
1.15
^"� Base 26% 11,525 442,531.32 $ 12.50 $1,728,794 $ 14.38 $1,988,113
Co�s 1 65°!0 1,106,328.29 $ 2.15 $2,378,606 $ 2.47 $2,735,397
Cons2 3% 51,061.31 $ 1.55 $ 79,145 $ 1.78 $ 91,017
Cons3 6% 102,122.61 $ 1.25 $ 102,124 $ 1.44 $ 146,801
1,702,043.52 $4,288,668 $4,961,328
--- Annual Expenditures $5,375,915
2,002,404.14 $ 2.14 $ 2.48
Cumulitive Surplus $1,141,210
Klotz Associates Project No.40701 City of Friendswood,Texas
"' January 2001 Groundwater Reducrion Plan
TABLE G-3
WATER RATE STUDY
�- 159'o Rate Increase-2005 Capital Projects paid from Surplus Funds
City of Friendswood
Klotz Associates Project No.40701
�-
Revenue 2005-Consumption at 136 GPCD
Annual Water Production in MG 2,098.52
85%of water is accounted for Population 42,275
� Revenue distribution Connections 1000 At At
Gallons Current 15°/a
Rates Increase
1.15
"�` Base 26°/ 12,079 463,772.92 $ 12.50 $1,811,776 $ 14.38 $2,083,542
Cons 1 65% 1,159,432.30 $ 2.15 $2,492,779 $ 2.47 $2.866,696
„.., Cons 2 3% 53,51226 $ 1.55 $ 82.944 $ 1.78 $ 95.386
Cons 3 6% 107,024.52 $ 1.25 $ 707,026 $ 1.44 $ 153,848
1,783,742.00 $4,494,525 $5,199,472
t"` Annual Expenditures $6,294,303
2,098,520.00 $ 2.14 $ 2.48
Cumulitive Surplus $ 46,379
Revenue 2006-Consumption at 136 GPCD
Annual Water Production in MG 2,199•25
85%of water is accounted for Popufation �.3�
� Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates tncrease
1.15
"' Base 26% 12,658 486,033.91 $ 12.50 $1,698,741 $ 14.38 $2,183,552
Cons 1 65% 1,215,084.79 $ 2.15 $2,612,432 $ 2.47 $3,004,297
Cons 2 3% 56,080.84 $ 1.55 $ 86,925 $ 1.78 $ 99.964
Cons 3 6% 112,161.67 $ 1.25 $ 112,163 $ 1.44 $ 161,232
1,869,361.21 $4,710,262 $5,449,046
.- Annual Expenditures $5,433,557
2,199,248.48 $ 2.14 $ 2.48
Cumulitive Surplus $ 61,868
Revenue 2007-Consumption at 136 GPCD
Annual Water Production in MG 2,304.81
85%of water is accounted for Popuiation 46,431
� Aevenue distribution Connections 1000 At At
Gallons Current 15°1
Rates Increase
1.15
�-- Base 26% 13,266 509,363.54 $ 12•50 $1,989,881 $ 14.38 $2,288,363
Cons 1 65°f 1,273,408.86 $ 2.15 $2,737,829 $ 2.47 $3,148,503
Cons 2 3% 58,772.72 $ 1.55 $ 91,098 $ 1.78 $ 104,762
Cons 3 6% t 17,545.43 $ 1.25 $ 117,547 $ 1•44 $ 168,972
1,959,090.55 $4,936,354 $5,710,600
w.. Annual Expenditures $5,158,449
2,304,812.41 $ 2.14 $ 2.48
Cumulitive Surplus $ 614,019
Klotz Associates Project No.40701 City of Friendswood,Texas
'� January 2001 Groundwater Reducrion Plan
TABLE G-3
,� WATER RATE STUDY
15°�Rate Increase-2005 Capital Projects paid from Surplus Funds
City of Friendswood
Klo�Associates Project No.40701
Revenue 2008-Consumption at 136 GPCD
Annual Water Production in MG 2,415.44
� 85%of water is accounted for Population 48,659
Revenue distribution Connections 1000 At At
Gallons Current 15%
Rates Increase
..- 1.15
Base 26% 13,903 533,812.99 $ 12.50 $2,085,395 $ 14.38 $2,398,204
Cons 1 65°/ 1,334,532.48 $ 2.15 $2,869,245 $ 2.47 $3,299,632
^ Cons 2 3% 61,593.81 $ 1.55 $ 95,470 $ 1.78 $ 109,791
Cons 3 6% 123,187.61 $ 125 $ 123,189 $ 1.44 $ 177,082
,�, 2,053,126.89 $5,173,299 $5,984,709
Annual Expenditures $5,399,361
2,415,443.40 $ 2.14 $ 2.48
Cumulitive Surplus $1,199,367
Revenue 2009-Consumption at 136 GPCD
Annual Water Production in MG 2,531.38
85%of water is accounted for Population 50,995
Revenue distribution Connections 1000 At At
Gatlons Current 15°/a
Rates Increase
,.,. 1.15
Base 26%, 14,570 559,436.02 $ 12.50 $2,185,494 $ 14.38 $2,513,318
Cons 1 65% 1,398,590.04 $ 2.15 $3,006,969 $ 2.47 $3,458,014
.�. Cons 2 3% 64,550.31 $ 1.55 $ 100,053 $ 1.78 $ 115,061
Cons3 6% 129,100.62 $ 1.25 $ 129,102 $ 1.44 $ 185,582
2,151,676.98 $5,421,617 $6,271,975
"' Annual Expenditures $5,647,810
2,531,384.69 $ 2.14 $ 2.48
Cumulitive Surplus $1,823,532
Revenue 2010-Consumption at 136 GPCD
Annual Water Production in MG 2,652.89
85%of water is accounted for Population 53,443
Revenue distribution Connections 1000 At At
Galions Current 15°/
Rates Increase
1.15
� Base 26% 15,269 586,288.94 $ 12.50 $2,290,398 $ 14.38 $2,633,957
Cons 1 65% 1,465,722.36 $ 2.15 $3,151,303 $ 2.47 $3,623,999
,,,.. Cons 2 3% 67,648J2 $ 1.55 $ 104,856 $ 1.78 $ 120,584
Cons 3 6% 135,297.45 $ 1.25 $ 135,299 $ 1.44 $ 194,490
2,254,957.48 $5,681,855 $6,573,030
°"' Annual Expenditures $5,963,019
2,652,891.15 $ 2.14 $ 2.48
Cumulitive Surplus $2,433,542
� Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
TABLE G-4
,,�„ WATER RATE STUDY
20Y.Rate Increase
City of Friendswood
Klo�Associates Project No.40701
Revenue 2002-Consumption at 138 GPCD
Annual Water Production in MG 1,823.18
� 85%of water is accounted for Population 36,728
Revenue distribution Connections 1000 At At
Gallons Current 20%
Rates Increase
°�°� 1.20
Base 26% 10,494 402,922.43 $ 12.50 $1,574,058 $ 15.00 $1,888,869
Cons 1 65% 1,007,306.07 $ 2.15 $2,165,708 $ 2.58 $2,598,850
'"'° Cons 2 3% 46,491.05 $ 1.55 $ 72,061 $ 1.86 $ 86,473
COns 3 6% 92,982.10 $ 1.25 $ 92,983 $ 1.50 $ 139,473
,.. 1,549,701.65 $3,904,810 $4,713,665
Annual Expenditures $ 3,891,287
1,823,178.41 $ 2.14 $ 2.59
Cumulitive Surplus $ 822,378
Revenue 2003-Consumption at 138 GPCD
Annual Water Production in MG 1,910.69
� 85%of water is accounted for Population 38,491
Revenue distribution Connections 1000 At At
Gallons Current 20%
Rates Increase
--- 1.20
Base 26% 10,997 422,262.71 $ 12.50 $1,649,612 $ 15.00 $1,979,535
Cons 1 65% 1,055,656.77 $ 2.15 $2,269,662 $ 2.58 $2,723,594
"" Cons 2 3% 48,722.62 $ 1.55 $ 75,520 $ 1.86 $ 90,624
Cons 3 6% 97,445.24 $ 1.25 $ 97,446 $ 1.50 $ 146,168
� 1,624,087.33 $4,092,241 $4,939,921
Annual Expenditures $ 3,804,269
1,910,690.98 $ 2.14 $ 2.59
Cumulitive Surplus $ 1,958,030
Revenue 2004-Consumption at 136 GPCD
Annual Water Production in MG 2,002.40
85%of water is accounted for Population 40,339
Revenue distribution Connections 1000 At At
Gallons Curcent 20%
Rates Increase
„r 1.20
Base 26% 71,525 442,531.32 $ 12.50 $1,728,794 $ 15.00 $2,074,552
Cons 1 65% 1,106,328.29 $ 2.15 $2,378,606 $ 2.58 $2,854,327
'-- Cons 2 3% 51,061.31 $ 1.55 $ 79,145 $ 1.86 $ 94,974
Cons 3 6% 102,122.61 $ 1.25 $ 102,124 $ 1.50 $ 153,184
� 1,702,043.52 $4,288,668 $5,177,037
Annual F�cpenditures $ 4,875,915
2,002,404.14 $ 2.14 $ 2.59
Cumulitive Surplus $ 2,259,153
Klotz Associates Project No.40701 City of Friendswood,Texas
"� January 2001 Groundwater Reducrion Plan
TABLE G-4
�.. WATER RATE STUDY
20•/.Rate Increase
City of Friendswood
Klotz Associates Project No.40701
Revenue 2005-Consumption at 136 GPCD
Annual Water Production in MG 2,098.52
� 85%of water is accounted for Population 42,275
Revenue distribution Connections 1000 At At
Gallons Current 20%
Rates Increase
^"` 1.20
Base 26% 12,079 463,772.92 $ 12.50 $1,811,776 $ 15.00 $2,174,131
Cons 1 65°/a 1,159,432.30 $ 2.15 $2,492,779 $ 2.58 $2,991,335
""°' Cons 2 3% 53,512.26 $ 1.55 $ 82,944 $ 1.86 $ 99,533
Cons 3 6% 107,024.52 $ 1.25 $ 107,026 $ 1.50 $ 160,537
...., 1,783,742.00 $4,494,525 $5,425,536
Annual Expenditures $ 5,061,303
2,098,520.00 $ 2.14 $ 2.59
Cumulitive Surplus $ 2,623,386
Revenue 2006-Consumption at 136 GPCD
Annual Water Production in MG 2,199.25
� 85%of water is accounted for Population 44,304
Revenue distribution Connections 1000 At At
Gallons Current 20%
Rates Increase
--W- 1.20
Base 26% 12,658 488,033.91 $ 12.50 $1,898,741 $ 15.00 $2,278,489
Cons 1 65% 1,215,084.79 $ 2.15 $2,612,432 $ 2.58 $3,134,919
° Cons 2 3°/, 56,080.84 $ 1.55 $ 86,925 $ 1.86 $ 104,310
Cons 3 6% 112,161.67 $ 1.25 $ 112,163 $ 1.50 $ 168,243
� 1,869,361.21 $4,710,262 $5,685,961
Annual Expenditures $ 5,128,240
2,199,248.48 $ 2.14 $ 2.59
Cumulitive Surplus $ 3,181,107
Revenue 2007-Consumptfon at 136 GPCD
Annual Water Production in MG 2,304.81
85%of water is accounted for Population 46,431
Revenue distribution Connections 1000 At At
Gallons Current 20%
Rates Increase
,... 1.20
Base 26% 13,266 509,363.54 $ 12.50 $1,989,gg1 $ 15.00 $2,387,857
Cons 1 65% 1,273,408.86 $ 2.15 $2,737,829 $ 2.58 $3,285,395
,�.. Cons 2 3% 58,772.72 $ 1.55 $ 91,098 $ 1.86 $ 109,317
Cons 3 6% 117,545.43 $ 1.25 $ 117,547 $ 1.50 $ 176,318
1,959,090.55 $4,936,354 $5,958,887
�"` Annual Expenditures $ 5,353,132
2,304,812.41 $ 2.14 $ 2.59
Cumulitive Surplus $ 3,786,862
,„�, Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reducrion Plan
TABLE G-4
„A., WATER RATE STUDY
20•/.Rate Increase
City of Friendswood
Klott Associates Project No.40701
Revenue 2008-Consumption at 136 GPCD
Annual Water Prod�ction in MG 2,415.44
� 85°k of water is accounted for Population 48,659
Revenue distribution Connections 1000 At At
Gallons Curtent 20°/a
Rates Increase
"" 1.20
Base 26°k 13,903 533,812.99 $ 12.50 $2,085,395 $ 15.00 $2,502,474
Cons 1 65�0 1,334,532.48 $ 2.15 $2,869,245 $ 2.58 $3,443,094
'""� CO�s 2 3% 61,593.81 $ 1.55 $ 95,470 $ 1.86 $ 114,564
Cons 3 6% 123.187.61 $ 1.25 $ 123,189 $ 1.50 $ 184,781
. 2,053,126.89 $5,173,299 $6,244,914
Annual Expenditures $ 5,353,132
2,415,443.40 $ 2.14 $ 2.59
Cumulitive Surplus $ 4,678,643
Revenue 2009-Consumption at 136 GPCD
Annual Water Production in MG 2,531.38
� 85%of water is accounted for Population 50,995
Revenue distribution Connections 1000 At At
Gallons Current 20%
Rates Increase
-- 1.20
Base 26% 14,570 559,436.02 $ 12.50 $2,185,494 $ 15.00 $2,622,593
Cons 1 65% 1,398,590.04 $ 2.15 $3,006,969 $ 2.58 $3,608,362
"" Cons 2 3°/, 64,550.31 $ 1.55 $ 100,053 $ 1.86 $ 120,064
Cons 3 6°/a 129,100.62 $ 1.25 $ 129,102 $ 1.50 $ 193,651
,,,,,,, 2,151,676.98 $5,421,617 $6,544,669
Annual Expenditures $ 5,353,132
2,531,384.69 $ 2.14 $ 2.59
Cumulitive Surplus $ 5,870,181
Revenue 2010-Consumption at 136 GPCD
Annual Water Production in MG 2,652.89
� 85%of water is accounted for Population 53,443
Revenue distribution Connections 1000 At At
Gallons Curtent 20%
Rates Increase
,.A 1.20
Base 26% 15,269 586,288.94 $ 12.50 $2,290,398 $ 15.00 $2,748,477
Cons 1 65% 1,465,722.36 $ 2.15 $3,151,303 $ 2.58 $3,781,564
� Cons 2 3% 67,648.72 $ 1.55 $ 104,856 $ 1.86 $ 125.827
Cons 3 6% 135,297.45 $ 1.25 $ 135,299 $ 1.50 $ 202,946
�„ 2,254,957.48 $5,681,855 $6,858,814
Annuai Expenditures $ 5,353,132
2,652,891.15 $ 2.14 $ 2.59
Cumulitive Surplus $ 7,375,862
,...
Klotz Associates Project No.40701 City of Friendswood,Texas
January 2001 Groundwater Reduction Plan