Sewage Becomes Drinking Water in OC. Is "Toilet-to-Tap" Coming to You?

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As a hedge against water shortages and population growth, Orange County, Calif., has begun operating the world's largest, most modern reclamation plant — a facility that can turn 70 million gallons of treated sewage into drinking water every day.
The new purification system at the Orange County Water District headquarters cost about $490 million and comprises a labyrinth of pipes, filters, holding tanks and pumps across 20 acres.
The finished product will be injected into the county's vast groundwater basin to combat saltwater intrusion and supplement drinking-water supplies for 2.3 million people in coastal, central and northern Orange County.
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