Calif. county launches 'toilet-to-tap' water-purification plan
(Newser) -
As contamination, overconsumption, and drought sap Southern California's already limited supply of potable water, Orange County has just adopted an effective, if unpalatable, solution. Starting today, flushed toilet water will gush through a $490 million network of pipes and filters, return to the groundwater basin, then find its way home...