A Water Manager’s A Water Manager’s Perspective: Perspective:

A View from the FieldA View from the Field

A Water Manager’s A Water Manager’s Perspective: Perspective:

A View from the FieldA View from the Field

Jeffrey KightlingerJeffrey KightlingerThe Metropolitan Water DistrictThe Metropolitan Water District

of Southern Californiaof Southern California

June 2003June 2003

Jeffrey KightlingerJeffrey KightlingerThe Metropolitan Water DistrictThe Metropolitan Water District

of Southern Californiaof Southern California

June 2003June 2003

May 2003

Report On Metropolitan’s Water SuppliesReport On Metropolitan’s Water Supplies

PremisePremise

– Retail water supply reliability is dependent on the Retail water supply reliability is dependent on the development of both local and supplemental imported water development of both local and supplemental imported water suppliessupplies

Law (SB221 / SB610)Law (SB221 / SB610)

– Require new, large-scale developments to provide substantial Require new, large-scale developments to provide substantial evidence of available supplies in the event of droughtevidence of available supplies in the event of drought

ObjectiveObjective

– Demonstrate a comprehensive plan to provide sufficient Demonstrate a comprehensive plan to provide sufficient supplemental suppliessupplemental supplies

– Assist member agencies and local agencies in complyingAssist member agencies and local agencies in complyingwith SB 221 and SB 610with SB 221 and SB 610

May 2003

Local Supplies Local Supplies Groundwater & RecyclingGroundwater & Recycling

Where Southern CaliforniaWhere Southern CaliforniaGets its WaterGets its Water

Local SuppliesLocal SuppliesLA AqueductLA Aqueduct

Conservation Conservation

Colorado River Colorado River AqueductAqueductSWP SWP

Entitlement Entitlement

Transfers & StorageTransfers & Storage

3

May 2003

Changed Conditions for Southern Changed Conditions for Southern California ResourcesCalifornia Resources

ChallengesChallenges

– Reduced Colorado River deliveriesReduced Colorado River deliveries

May 2003

Total Surplus Available to MWDTotal Surplus Available to MWD(with QSA 2004 through 2016)(with QSA 2004 through 2016)

4.94.5

3.12.5

0

1

2

3

4

5

6

2000 2001 2002 2003 (Apr.)

Mil

lio

n A

cre-

feet

Year of Estimate

May 2003

Changed Conditions for Southern Changed Conditions for Southern California ResourcesCalifornia Resources

ChallengesChallenges

– Reduced Colorado River deliveriesReduced Colorado River deliveries

– Water quality constraintsWater quality constraints OpportunitiesOpportunities

– Full Diamond Valley LakeFull Diamond Valley Lake– Re-operation of storage and transfersRe-operation of storage and transfers

– Reduced Colorado River deliveriesReduced Colorado River deliveries

May 2003

Kern DeltaKern Delta

Metropolitan’s Storage CapacityMetropolitan’s Storage CapacityM

illio

ns

Acr

e-F

eet

Mill

ion

s A

cre-

Fe

et

1.0

2.0

3.0

’’9090’’9090 ’’9595’’9595 ’’0000’’0000 ’’0505’’0505YearYear

Lake MatthewsLake Skinner

Desert /Desert /CoachellaCoachella

SemitropicSemitropicCastaicCastaic

PerrisPerrisNo. Las PosasNo. Las Posas

ArvinArvinEdisonEdison

DiamondDiamondValley LakeValley Lake

San BernardinoSan BernardinoValleyValley

Greater than Greater than 10X Increase 10X Increase by 2.45 MAFby 2.45 MAF

Water in Storage(End of 2003)

2.45

May 2003

Changed Conditions for Southern Changed Conditions for Southern California ResourcesCalifornia Resources

ChallengesChallenges

– Reduced Colorado River deliveriesReduced Colorado River deliveries– Water quality constraintsWater quality constraints

OpportunitiesOpportunities

– Full Diamond Valley LakeFull Diamond Valley Lake– Re-operation of storage and transfersRe-operation of storage and transfers– Enhanced conservation measuresEnhanced conservation measures– Additional local resourcesAdditional local resources

ChallengesChallenges

– Reduced Colorado River deliveriesReduced Colorado River deliveries– Water quality constraintsWater quality constraints

OpportunitiesOpportunities

– Full Diamond Valley LakeFull Diamond Valley Lake– Re-operation of storage and transfersRe-operation of storage and transfers

Conservation & Recycling Conservation & Recycling

0.00.0

0.20.2

0.40.4

0.60.6

0.80.8

1.01.0

1.21.2

1.41.4

1.61.6

19871987 19901990 19931993 19961996 19991999 20022002 20052005 20082008 20112011 20142014 20172017 20202020

Mill

ion

Ac

re-F

ee

t P

er

Ye

arM

illio

n A

cre

-Fe

et

Pe

r Y

ear

Cumulative Investments: As of 2000 By 2020Conservation $220 mil $1,300 milRecycling $1,200 mil $4,100 milTotal $1,420 mil $5,400 mil

Actual Projected

2020 Resources

Conservation: ~1.0 MAF Recycling: 0.5 MAF

May 2003

Metropolitan’s Supply Inventory Metropolitan’s Supply Inventory

Colorado River Aqueduct DeliveriesColorado River Aqueduct Deliveries

California Aqueduct DeliveriesCalifornia Aqueduct Deliveries

In-Basin Storage DeliveriesIn-Basin Storage Deliveries

May 2003

Su

pp

lies

Su

pp

lies

(mil

lio

n a

cre-

feet

)(m

illi

on

acr

e-fe

et)

0.50.5

1.01.0

1.51.5

2.02.0

2.52.5

3.03.0

3.53.5

4.04.0

20052005 20102010 20152015 20202020 20252025

Current SuppliesCurrent Supplies

Supplies Under DevelopmentSupplies Under Development

Multiple Dry-Year Supply CapabilityMultiple Dry-Year Supply Capability& Projected Demands& Projected Demands

Demands on MWDDemands on MWD

May 2003

Su

pp

lies

Su

pp

lies

(mil

lio

n a

cre-

feet

)(m

illi

on

acr

e-fe

et)

0.50.5

1.01.0

1.51.5

2.02.0

2.52.5

3.03.0

3.53.5

4.04.0

20052005 20102010 20152015 20202020 20252025

Current SuppliesCurrent Supplies

Supplies Under DevelopmentSupplies Under Development

Single Dry-Year Supply CapabilitySingle Dry-Year Supply Capability& Projected Demands& Projected Demands

Demands on MWDDemands on MWD

May 2003

LAKESHASTA

LAKEOROVILLE

Colorado River Aqueduct DeliveriesColorado River Aqueduct DeliveriesCurrent Program CapabilitiesCurrent Program Capabilities

Terms: 2033 to perpetuityTerms: 2033 to perpetuity Storage Capacity = 800 TAFStorage Capacity = 800 TAF Max Dry-Year deliveries:Max Dry-Year deliveries:

– 721 TAF/Yr in 2005721 TAF/Yr in 2005

– 837 TAF/Yr in 2025837 TAF/Yr in 2025

IID / MWD Transfer (50%)IID / MWD Transfer (50%)

Priorities 4 & 5Priorities 4 & 5

HayfieldHayfield

Canal LiningsCanal Linings

May 2003

LAKESHASTA

LAKEOROVILLE

Colorado River Aqueduct DeliveriesColorado River Aqueduct Deliveries Additional Programs Under DevelopmentAdditional Programs Under Development

Storage Capacity = 1.0 MAFStorage Capacity = 1.0 MAF Max Dry-Year deliveries:Max Dry-Year deliveries:

– 167 TAF/Yr in 2005167 TAF/Yr in 2005

– 412 TAF/Yr in 2025412 TAF/Yr in 2025

Palo Verde IDPalo Verde ID

IID / MWD (Coachella Opt)IID / MWD (Coachella Opt)Chuckwalla StorageChuckwalla Storage

Lower Coachella Storage

Lower Coachella Storage IID / SDCWA TransferIID / SDCWA Transfer

Interim Surplus GuidelinesInterim Surplus Guidelines

May 2003

LAKESHASTA

LAKEOROVILLE

California Aqueduct DeliveriesCalifornia Aqueduct Deliveries SWP Entitlement DeliveriesSWP Entitlement Deliveries

Contract term: 2035Contract term: 2035 Based on historical recordBased on historical record Deliveries = .418 – 1.741 MAF/YrDeliveries = .418 – 1.741 MAF/Yr

San Luis ReservoirSan Luis

ReservoirSWP Entitlement DeliveriesSWP Entitlement Deliveries

May 2003

LAKESHASTA

LAKEOROVILLE

California Aqueduct DeliveriesCalifornia Aqueduct DeliveriesCurrent Banking / Transfer ProgramsCurrent Banking / Transfer Programs

Contract terms: 2028 – 2035Contract terms: 2028 – 2035 Storage Capacity = 1.1 MAFStorage Capacity = 1.1 MAF Max Dry-Year deliveriesMax Dry-Year deliveries

= 330 TAF/Yr (10 months)= 330 TAF/Yr (10 months)

SemitropicSemitropic Kern DeltaKern Delta

Arvin-EdisonArvin-Edison

San BernardinoSan Bernardino CoachellaCoachella

May 2003

LAKESHASTA

LAKEOROVILLE

San JoaquinValley Transfers

San JoaquinValley Transfers

California Aqueduct DeliveriesCalifornia Aqueduct DeliveriesCurrent Transfer OptionsCurrent Transfer Options

DWR Drought Water bankDWR Drought Water bank

Single & multiple Single & multiple - year options- year options

Market available every yearMarket available every year Up to 250 TAF in 2003Up to 250 TAF in 2003

SacramentoValley TransfersSacramentoValley Transfers

San BernardinoSan Bernardino

May 2003

LAKESHASTA

LAKEOROVILLE

AdditionalTransfers / StorageAdditionalTransfers / Storage

California Aqueduct DeliveriesCalifornia Aqueduct DeliveriesPrograms Under DevelopmentPrograms Under Development

DeltaImprovementsDeltaImprovements

Max Dry-Year deliveries:Max Dry-Year deliveries:– 195 TAF/Yr in 2010195 TAF/Yr in 2010– 390 TAF/Yr in 2025390 TAF/Yr in 2025

May 2003

In-Basin Storage DeliveriesIn-Basin Storage DeliveriesCurrent Reservoir CapabilitiesCurrent Reservoir Capabilities

Diamond Valley LakeDiamond Valley Lake

Lake MathewsLake Mathews

Lake SkinnerLake Skinner

Lake PerrisLake Perris

Castaic LakeCastaic Lake

Pyramid LakePyramid Lake Elderberry ForebayElderberry Forebay

Silverwood LakeSilverwood Lake

With a Full DVL:With a Full DVL: Integrate Metropolitan & DWR reservoirsIntegrate Metropolitan & DWR reservoirs Total storage capacity = 1.67 MAFTotal storage capacity = 1.67 MAF

–Emergency = 30%Emergency = 30%–Dry-year = 70%Dry-year = 70%

Max Dry-year return = 600 TAF/YrMax Dry-year return = 600 TAF/Yr

11

2233

44

55 7766

Existing

Groundwater Storage1. Calleguas2. Inland Empire3. Long Beach4. Orange County5. Pasadena/Foothill6. Three Valleys7. Upper San Gabriel8. Long-Term Seasonal

In-Basin Groundwater Storage ProgramsIn-Basin Groundwater Storage Programs

Current Supply CapabilityCurrent Supply Capability Storage capacity = 543,000 AFStorage capacity = 543,000 AF Dry-Year supply = 120,000 AF/YrDry-Year supply = 120,000 AF/Yr

11

2233

44

55 7766

1111 99

12121515

1414

1313

1010

Existing

Groundwater Storage1. Calleguas2. Inland Empire3. Long Beach4. Orange County5. Pasadena/Foothill6. Three Valleys7. Upper San Gabriel8. Long-Term Seasonal

Additional ProgramsAdditional Programs Storage capacity = 272,000 AFStorage capacity = 272,000 AF Dry-Year supply = 90,000 AF/YrDry-Year supply = 90,000 AF/Yr

In-Basin Groundwater Storage ProgramsIn-Basin Groundwater Storage Programs

Additional Prop. 13 Groundwater Storage9. Inland Empire10. Foothill11. Three Valleys 12. San Diego -- Mission13. Orange County14. Pasadena/Foothill15. San Dieguito

Additional Prop. 13 Groundwater Storage9. Inland Empire10. Foothill11. Three Valleys 12. San Diego -- Mission13. Orange County14. Pasadena/Foothill15. San Dieguito