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 ________?________.