Rich Haller, P.E.Rich Haller, P.E.Program Manager, Program Manager,

Santa Ana Santa Ana Watershed Project Watershed Project

AuthorityAuthority(SAWPA)(SAWPA)

S AW PAApril 2, 2004

Brine Disposal Strategies Brine Disposal Strategies in Inland Southern in Inland Southern

CaliforniaCalifornia(Santa Ana River (Santa Ana River

Watershed)Watershed)

OutlineOutline

• Santa Ana WatershedSanta Ana Watershed

• Santa Ana Watershed Project Authority Santa Ana Watershed Project Authority (SAWPA)(SAWPA)

• Integrated Watershed PlanIntegrated Watershed Plan– Desalters, Brine Disposal (Santa Ana Desalters, Brine Disposal (Santa Ana

Regional Interceptor)Regional Interceptor)

• SARI System Enhancements ProgramSARI System Enhancements Program

The Santa Ana River The Santa Ana River WatershedWatershed

• Over 2,650 Square MilesOver 2,650 Square Miles

• Over 5 Million ResidentsOver 5 Million Residents

• Portions of 4 CountiesPortions of 4 Counties– Orange CountyOrange County– Riverside CountyRiverside County– San Bernardino CountySan Bernardino County– Los Angeles CountyLos Angeles County

PacificOcean

OrangeCounty

San Gabriel Mtns.

LosAngeles

SanBernardino Mtns.

SanJacintoMtns.

Lake Elsinore/San Jacinto Watershed

Santa Ana Mtns.

The Santa Ana River Watershed

ChinoBasin

““T” T” LeveesLevees

Population TrendsPopulation Trendsin the Santa Ana Watershedin the Santa Ana Watershed

010000002000000300000040000005000000600000070000008000000900000010000000

1990 2010 2025 2050

• Additional Additional 2.1 2.1 millionmillion people 2000-people 2000-20252025

• Additional Additional 4.6 4.6 millionmillion people 2000-people 2000-20502050

Source: Center for Demographic Research California State University, Fullerton

What is SAWPA?What is SAWPA?SAWPA Member Agencies & Other SAWPA Member Agencies & Other StakeholdersStakeholders

• 97 Water-related 97 Water-related AgenciesAgencies

• 4 Counties4 Counties

• 59 Cities59 Cities

• State water, State water, environmental, and environmental, and regulatory agenciesregulatory agencies

• Federal agenciesFederal agencies

• Other Special Other Special DistrictsDistricts

• Special Interest Special Interest GroupsGroups

• Over 5 million Over 5 million residentsresidents

Other Other StakeholdersStakeholders

Integrated Watershed PlanIntegrated Watershed Plan

Water Resources

A collaboration of all watershed stakeholders to plan:

Brine Line(SARI) Use

Wetlands &Environment

Santa Ana Regional Santa Ana Regional Interceptor (SARI) PipelineInterceptor (SARI) Pipeline

OCWD WMWD EMWD

SBVMWD

IEUASan Bernardino

Chino

Ontario

Corona

Riverside

HuntingtonBeach

Temecula

San BernardinoCounty

RiversideCounty

Los AngelesCounty

OrangeCounty

Santa Ana RiverSanta Ana RiverWatershedWatershedBoundaryBoundary

OCSD Plant No. 1OCSD Plant No. 1

OCSD Plant No. 2OCSD Plant No. 2

SARI

OCWD WMWD EMWD

SBVMWD

IEUASan Bernardino

Chino

Ontario

Corona

Riverside

HuntingtonBeach

Temecula

Separate and Treat Domestic and Commercial Wastewaters Separate and Treat Domestic and Commercial Wastewaters

DesaltersDesalters

WW Treatment PlantsWW Treatment Plants

Chino Desalter1Chino Desalter1

Chino Desalter II2Chino Desalter II2

West Riverside Regional PlantWest Riverside Regional Plant

RIXRIX

Temescal DesalterTemescal Desalter

Arlington DesalterArlington Desalter

Menifee DesalterMenifee Desalter

Tustin Desalter IITustin Desalter IIIrvine Desalter2Irvine Desalter2

Tustin Anion ExchangeTustin Anion Exchange

OCSD Plant No. 1OCSD Plant No. 1

OCSD Plant No. 2OCSD Plant No. 2

Reserve Upper SARI Capacity for ”Brine-Only” Discharges Reserve Upper SARI Capacity for ”Brine-Only” Discharges

SARI System Enhancements SARI System Enhancements ConceptConcept

Perris Desalter2Perris Desalter2

1 Future Expansion1 Future Expansion

2 Future2 Future

Construct NewBrine Line in OC

Construct NewBrine Line in OC

Upper

UpperSARISARI

Lower

LowerSARISARI

Conceptual Separation of Conceptual Separation of Brine and WastewaterBrine and Wastewater

DesalterBrine

DesalterBrine

ProcessProcessDomesticDomestic

ToToOceanOcean

OCSDWWTP No. 2

OCSDWWTP No. 2

Brine LineBrine Line

OtherOtherTreatmentTreatment

OtherOtherTreatmentTreatment

XX

Local WWTPLocal WWTP

Add’lTreatment

Add’lTreatment

XXXXAdd’l

TreatmentAdd’l

Treatment

XX

Local WWTPLocal WWTP

Treated Groundwater

Treated Groundwater

ResidentialResidential

CommercialCommercial

SARISARISARISARIUpperUpper

Preliminary Cost and Preliminary Cost and TimelineTimeline

•Preliminary Costs are estimated at $160M*

•The project planning will take about 1 year

•Project construction would take 5 to 8 years

•The project could be on line by 2010

* In November 2003 dollars * In November 2003 dollars

Why are you doing this Why are you doing this project?project?

Gets the Salt OutGets the Salt Out– Improves water quality and supplyImproves water quality and supply– Maintains river qualityMaintains river quality– Reduced ocean discharge volumeReduced ocean discharge volume– Makes groundwater improvement in Makes groundwater improvement in

Orange County more effectiveOrange County more effective

Why are you doing this Why are you doing this project?project? Treatment of the futureTreatment of the future

– Improves water reclamation Improves water reclamation – Expands treatment system capacity Expands treatment system capacity

in OC in OC – Makes upgrading to secondary Makes upgrading to secondary

treatment quickertreatment quicker– Better treats discharges at their Better treats discharges at their

sourcesource

Further InformationFurther Information

www.sawpa.orgwww.sawpa.org

Rich HallerRich Haller

(909) 354-4240(909) 354-4240

rhaller@sawpa.orgrhaller@sawpa.org