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FUTURE WATER PLANNINGFUTURE WATER PLANNINGCITY OF KILLEEN
CITY COUNCILCITY COUNCILDECEMBER 11, 2012
CITY OF KILLEEN RECOMMENDATIONS
FUTURE WATER PLANNINGPROJECTIONS
FUTURE WATER PLANNING
DEMAND
SUPPLY
POPULATION
POPULATION
POPULATION PROJECTIONS
SOURCES
•US CENSUS – HISTORICAL
TEXAS WATER DEVELOPMENT BOARD•TEXAS WATER DEVELOPMENT BOARD
•KILLEEN WATER MASTER PLAN – 2012
•BELL COUNTY WCID #1 2009 MASTER PLAN
•TEXAS STATE DATA CENTER
•KILLEEN COMPREHENSIVE PLAN- 2010
416 174450,000
Killeen Historical Population and Projections with Associated Trend Lines
416,174
350 000
400,000 HistoricalCensus EstimatesKilleen MP ExtrpKilleen MP
269,000300,000
350,000 Killeen MP TWDB-Brazos GKILLEEN RECMDCity Recmd Prj - 2002Linear (Historical)Linear (Census Estimates)
Recommended Killeen Growth
190,452200,000
250,000
Popu
latio
n
( )Linear (Killeen MP Extrp)Linear (KILLEEN RECMD)
Model for Population
100,000
150,000
23,37735,507
49,30763,535
0
50,000
0
1960
1962
1965
1968
1971
1974
1977
1980
1983
1986
1989
1992
1995
1998
2001
2004
2007
2010
2013
2016
2019
2022
2025
2028
2031
2034
2037
2040
2043
2046
2049
2052
2055
2058
SOURCE : BCWCID #1 JUNE 2009 MASTER PLAN
416 174450,000
Killeen Historical Population and Projections with Associated Trend Lines PLUS Killeen 2010 Comprehensive Plan Projections
416,174
350 000
400,000 HistoricalCensus EstimatesKilleen MP ExtrpKilleen MP
269,000300,000
350,000 Killeen MP TWDB-Brazos GKILLEEN RECMDCity Recmd Prj - 2002Linear (Historical)Linear (Census Estimates)
190,452200,000
250,000
Popu
latio
n
ea (Ce sus st ates)Linear (Killeen MP Extrp)Linear (KILLEEN RECMD)
Killeen 2010
100,000
150,000
23,37735,507
49,30763,535
0
50,000
0
1960
1962
1965
1968
1971
1974
1977
1980
1983
1986
1989
1992
1995
1998
2001
2004
2007
2010
2013
2016
2019
2022
2025
2028
2031
2034
2037
2040
2043
2046
2049
2052
2055
2058
POPULATION PROJECTIONS
WATER AND WASTEWATER MASTER PLAN•WATER AND WASTEWATER MASTER PLANPROJECTIONS*
•2012 POPULATION = 131,474
•2017 POPULATION = 139 919 (1 3% GROWTH)•2017 POPULATION = 139,919 (1.3% GROWTH)
•2022 POPULATION = 151,330 (1.6% GROWTH)
•2032 POPULATION = 179,825 (1.9% GROWTH)
*SOURCE: CITY OF KILLEEN 2010 COMPREHENSIVE PLAN
SUPPLY
SUPPLY
• BRAZOS RIVER AUTHORITY
RAW WATER SOURCE : LAKE BELTON
100,257 AC-FT
• BELL COUNTY WCID #1BELL COUNTY WCID #162,509 AC-FT
• CITY OF KILLEEN39 964 AC FT39,964 AC-FT(2050-2060)
DEMAND
DEMAND – NUMBERS TO REMEMBER
•RAW WATER SUPPLY 39,964 AC-FT
•MAX. DAY TREATMENT CAPACITY 32,000,000 GAL/DAYMAX. DAY TREATMENT CAPACITY 32,000,000 GAL/DAY
•AVG. DAY WATER USAGE/PERSON 130 GPCD *
•PEAK DAY USAGE (PF=1.65) 215 GPCD*
•TCEQ VARIANCE 0.39 GPM/CONNECTION
•TCEQ 85 % RULE 27,200,000 GAL/DAY**
*SOURCE: 2012 WATER & WASTEWATER MASTER PLAN**MAX DAY - 8/4/11 27,079,000 GAL. (SOURCE – UTILITY DEPT PUMPING RECORDS)
Bell County WCID Existing System
Killeen WTP Capacity vs. DemandsKilleen WTP Capacity vs. Demands
32 MGD MAX DAY TREATMENT CAPACITY
TCEQ 85% RULE
Max Day Contract
City of Killeen Projection
( )
Bell County WCID MP Projection
85% of Max Day Contract TWDB Projection (2006)
Cit f Kill P j t (2010 C h i Pl )TWDB Projection (2012 revision) City of Killeen Project (2010 Comprehensive Plan)
Water Demand ProjectionsWater Demand Projections
D i C it i A d it 130 dDesign Criteria: Average day per‐capita = 130 gpcdMaximum Day to Average Day Peaking Factor = 1.65Peak Hour to Maximum Day Peaking Factor = 1.70
PROJECTIONS
PROJECTIONS – MAX. DAY TREATMENT CAPACITY
“THE CITY’S 32,000,000 MAXIMUM DAY TREATMENT CAPACITY WILL BE EXCEEDED WHEN THE POPULATION REACHES APPROXIMATELY 150 000 WHICH WILL OCCUR150,000, WHICH WILL OCCUR BETWEEN 2016 AND 2019.”
CITY OF KILLEENFUTURE WATER PLANNING
PROJECTIONS – TCEQ 85% RULE
TCEQ 85% RULE30 TAC 291.93(3)( )
“(3) A retail public utility that possesses a certificate ofpublic convenience and necessity that has reachedpublic convenience and necessity that has reached85% of its capacity as compared to the most restrictivecriteria of the commission's minimum capacityrequirements in Chapter 290 of this title shall submit torequirements in Chapter 290 of this title shall submit tothe executive director a planning report that clearlyexplains how the retail public utility will provide theexpected service demands to the remaining arease pected se ce de a ds to t e e a g a easwithin the boundaries of its certificated area.…”
PROJECTIONS – TCEQ 85% RULE
“BASED UPON CURRENT DAILY USAGE AND SUMMERTIME PEAKING FACTORS, THE 85% LEVEL WILL BE REACHED WHEN THE POPULATION REACHES APPROXIMATELY 133,000, WHICH WILL OCCUR IN 2013.”
PROJECTIONS ‐ TCEQ VARIANCE
54200
54400
54600
54800
53400
53600
53800
54000
CONNECTIONS
2012
TCEQ VARIANCE = 0 39 GPM/CONN
52800
53000
53200
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT
TCEQ VARIANCE = 0.39 GPM/CONN
MAX NUMBER OF ALLOWABLE SERVICE CONNECTIONS = 56,980
CURRENT SURPLUS = 2538CURRENT SURPLUS = 2538
2014 - EXPECTED EXCEEDENCE DATE
PROJECTIONS
TAKE AWAY
•EXCEED TCEQ 85% RULE 2013
•EXCEED ALLOWABLE CONNECTIONS 2014
•EXCEED TREATMENT CAPACITY 2016-19
RECOMMENDATIONS
Killeen WTP Capacity vs. DemandsKilleen WTP Capacity vs. Demands
32 MGD MAX DAY TREATMENT CAPACITY
TCEQ 85% RULE
Max Day Contract
City of Killeen Projection
( )
Bell County WCID MP Projection
85% of Max Day Contract TWDB Projection (2006)
Cit f Kill P j t (2010 C h i Pl )TWDB Projection (2012 revision) City of Killeen Project (2010 Comprehensive Plan)
Killeen WTP Capacity vs. DemandsKilleen WTP Capacity vs. Demands
ADD 10 MGD32 MGD MAX DAY TREATMENT CAPACITY
TCEQ 85% RULE
Max Day Contract
City of Killeen Projection
( )
Bell County WCID MP Projection
85% of Max Day Contract TWDB Projection (2006)
Cit f Kill P j t (2010 C h i Pl )TWDB Projection (2012 revision) City of Killeen Project (2010 Comprehensive Plan)
Bell County WCID Existing System
WTP
GROWTH AREA
RECOMMENDATIONS
OPTIONS*
• EXPAND EXISTING WTP ON LAKE BELTON
• CONSTRUCT NEW 10 MGD WTP ON LAKE STILLHOUSE HOLLOW• CONSTRUCT NEW 10 MGD WTP ON LAKE STILLHOUSE HOLLOW
• PARTNER WITH EXISTING PROVIDERS AT LAKE STILLHOUSE HOLLOW
*OPTIONS MAY REQUIRE ADDITIONAL “IN-HOUSE” IMPROVEMENTS
RECOMMENDATIONS
EXPAND EXISTING WTP OPTION
CITY OF KILLEENFUTURE WATER PLANNING
EXPAND EXISTING WTP OPTION
Bell County WCID Existing Plant
RECOMMENDATIONS
LAKE STILLHOUSE OPTION
CITY OF KILLEENFUTURE WATER PLANNING
X
xEXISTING PROVIDERS
RECOMMENDATIONS
REQUEST MEETING WITH BCWCID #1 TO:
•EVALUATE FUTURE WTP OPTIONS
•REVIEW FINANCIAL CONSTRAINTS AND O&M COST•REVIEW FINANCIAL CONSTRAINTS AND O&M COST
•CONFIRM RAW WATER SOURCE OPTIONS
•PREPARE FINAL RECOMMENDATION FOR COUNCIL CONSIDERATION BY ?CONSIDERATION BY ________?________.