Water is becoming something that is in short supply, meaning we may soon be drinking reclaimed wastewater, especially in the desert states of the West (which, ironically, are the fastest-growing areas of the US). We know our drinking water is laced with prescription medicines, but WHAT ELSE is in there–and can it be removed before we drink it?

San Diego is trying to do just that, with a water treatment plant that cost $13 million and produces a million gallons of potable water daily.
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