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NPR: The Search For Drinking Water In California Has Led To The Ocean

February 27, 2014

The process involves taking water from the Pacific Ocean, removing the silt, sand and "organics," then pressurizing the water through very fine membranes. The technical name is reverse osmosis. And the result? "Every 2 gallons of seawater that goes in, 1 gallon of high-quality drinking water comes out