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Brine Disposal Strategies in Inland Southern California (Santa Ana River Watershed). Rich Haller, P.E. Program Manager, Santa Ana Watershed Project Authority (SAWPA). April 2, 2004. Outline. Santa Ana Watershed Santa Ana Watershed Project Authority (SAWPA) Integrated Watershed Plan
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Brine Disposal Strategies in Inland Southern California(Santa Ana River Watershed) Rich Haller, P.E. Program Manager, Santa Ana Watershed Project Authority (SAWPA) April 2, 2004
Outline • Santa Ana Watershed • Santa Ana Watershed Project Authority (SAWPA) • Integrated Watershed Plan • Desalters, Brine Disposal (Santa Ana Regional Interceptor) • SARI System Enhancements Program
The Santa Ana River Watershed • Over 2,650 Square Miles • Over 5 Million Residents • Portions of 4 Counties • Orange County • Riverside County • San Bernardino County • Los Angeles County
The Santa Ana River Watershed San Gabriel Mtns. San Bernardino Mtns. Chino Basin Los Angeles Santa Ana Mtns. Orange County San Jacinto Mtns. Lake Elsinore/ San Jacinto Watershed Pacific Ocean
Population Trendsin the Santa Ana Watershed • Additional 2.1 million people 2000-2025 • Additional 4.6 million people 2000-2050 Source: Center for Demographic Research California State University, Fullerton
What is SAWPA?SAWPA Member Agencies & Other Stakeholders Other Stakeholders • 97 Water-related Agencies • 4 Counties • 59 Cities • State water, environmental, and regulatory agencies • Federal agencies • Other Special Districts • Special Interest Groups • Over 5 million residents
Integrated Watershed Plan A collaboration of all watershed stakeholders to plan: Brine Line (SARI) Use Wetlands & Environment Water Resources
SARI Santa Ana River Watershed Boundary OCSD Plant No. 1 OCSD Plant No. 2 Santa Ana Regional Interceptor (SARI) Pipeline Los Angeles County San Bernardino County IEUA San Bernardino Ontario SBVMWD Chino Riverside Riverside County Corona WMWD OCWD EMWD Orange County HuntingtonBeach Temecula
IEUA San Bernardino Ontario SBVMWD Construct New Brine Line in OC Chino Riverside Corona WMWD OCWD EMWD HuntingtonBeach Temecula SARI System Enhancements Concept Chino Desalter II2 West Riverside Regional Plant Desalters WW Treatment Plants 1 Future Expansion 2 Future Reserve Upper SARI Capacity for ”Brine-Only” Discharges Chino Desalter1 Upper SARI Separate and Treat Domestic and Commercial Wastewaters Lower SARI RIX Arlington Desalter OCSD Plant No. 1 Perris Desalter2 Menifee Desalter Tustin Anion Exchange OCSD Plant No. 2 Temescal Desalter Irvine Desalter2 Tustin Desalter II
Local WWTP Residential DesalterBrine Upper X SARI SARI OCSDWWTP No. 2 ToOcean X X X Domestic Process Brine Line Commercial Treated Groundwater Add’l Treatment Add’l Treatment Other Treatment Local WWTP Conceptual Separation of Brine and Wastewater
Preliminary Cost and Timeline • 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
Why are you doing this project? Gets the Salt Out • Improves water quality and supply • Maintains river quality • Reduced ocean discharge volume • Makes groundwater improvement in Orange County more effective
Why are you doing this project? Treatment of the future • Improves water reclamation • Expands treatment system capacity in OC • Makes upgrading to secondary treatment quicker • Better treats discharges at their source
Further Information www.sawpa.org Rich Haller (909) 354-4240 rhaller@sawpa.org