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Is Desalination Our Future?. April, 2010. Paul Helliker General Manager Marin Municipal Water District. “If we could produce fresh water from salt water at a low cost, that would indeed be a great service to humanity and would dwarf any other scientific accomplishment.” JFK - 1962.
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Is Desalination Our Future? April, 2010 Paul Helliker General Manager Marin Municipal Water District
“If we could produce fresh water from salt water at a low cost, that would indeed be a great service to humanity and would dwarf any other scientific accomplishment.” JFK - 1962
Water Stress Globally IPCC, 2008
Climate Model Predictions 15 Model Runs: 2080-99 compared to 1980-99
Trends in Runoff Timing DWR, 2007
Precipitation Variability DWR, 2007
CA Snowpack Predictions DWR, 2010
Projected Runoff Changes L. Flint, 2009
Projected Runoff Changes L. Flint, 2009
Lessons from the Past “All I’m saying is now is the time to develop a technology to deflect an asteroid”
Strategies for Water Resources DWR, 2010
Desalination: Israel FACILITIES: Hadera (92) Palmachim (33) Soreq (108) Ashdod (72) Ashkelon (83)
Desalination in Australia Gold Coast Southern Perth Kurnell Port Stanvac Wonthaggi
Desalination in Spain • 20 new plants planned for the SE • Will double the capacity in Spain • Will provide about 50% of the area’s water need
Proposed Plants in CA • 20+ new plants planned • 425 MGD of capacity proposed (= to 20% of MWD daily) • Largest in Southern California
Water Supply in SF Bay Area SCWA Solano CWA • Mix of Wholesale and Retail Agencies • MMWD Supplies from Local Reservoirs (75%) and Russian River (22%) CCWD MMWD EBMUD ACWD Zone 7 SFPUC SCVWD
N N EXISTING MMWD PELICAN WAY STORAGE SITE PROJECT LOCATION MMWD DESALINATION FACILITY 24” DESALINATED WATER PIPELINE TO MMWD DISTRIBUTION SAN FRANCISCO BAY TO SAN RAFAEL PACIFIC OCEAN 24” BRINE PIPELINE BRINE PIPELINE CONNECTS TO EXISTING CMSA VALVE BOX EXISTING CMSA OUTFALL (8,600 FT. +/-) CENTRAL MARIN SANITATION AGENCY (CMSA) EXISTING CMSA EFFLUENT PIPELINE 36” SOURCE WATER PIPELINE FULL SCALE FACILITY INTAKE SCREENS AND PUMP STATION 36” INTAKE PIPELINE UNDER PIER TO RICHMOND HOME DEPOT SHORELINE PARKWAY NORTH SAN FRANCISCO BAY HWY 580 TO SIR FRANCIS DRAKE HWY 580 MMWD Full Scale Desalination Project