CalDesal Desalinization Conference

1. CalDesal Desalinization Conference Celeste Cantú General Manager

2. What is SAWPA?Santa Ana Watershed Project AuthoritySAWPA Member Agencies & Stakeholders • 97 Water-related Agencies • 4 Counties • 59 Cities • State water, environmental, and regulatory agencies • Federal Agencies • Special Districts

3. Over 30 years of Salt Management in Santa Ana River Watershed

4. Salt Concentrations

5. Salt Levels (TDS) 45,000 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 0 44,000 30,000 TDS (mg/L or ppm) Potable Water Use < 1,000 mg/l TDS 3,000 - 10,000 7,000 250 - 4,000 700 300 Sacramento Delta Colorado River Groundwater Brine Seawater HumanTears SaltonSea

6. Bunker Hill Chino Riverside/Corona OrangeCounty Perris/Hemet Elsinore How Bad is It? 37,000 dump trucks lined up end-to-end from Los Angeles to Las Vegas (every year) 1.2 Million Tons/Yr 0.6 Million Tons/Yr 0.6 MillionTons/Yr Ocean Santa Ana River Watershed and Groundwater Basins

8. Groundwater Desal

9. Power Plants

10. Biotechnology

11. Price Comparisons Approximate Disposal Cost for One Million Gallons of Brine Water $ 250,000 $ 250,000 * Does not include substantial treatment and treatment and capacity purchase/lease $ 200,000 $ 150,000 ** Does not include Transport $ 100,000 $ 50,000 *** Based on $.25 per gallon rate Does not include transport $ 9,500 $ 7,500 $ 0 SARI Line Connection Includes O & M * SARI Truck Dump ** Non – SARI Disposal ***

12. TDS/Nutrient Plan Declaration of Conformance