<p><span style="font-family: georgia, 'times new roman', times, serif; font-size: 15px; line-height: 22px; text-align: left;">Almost hidden in the northern hills, the pilot water treatment plant here does not seem a harbinger of revolution. It cost $13 million, uses long-established technologies and produces a million gallons a day. <a href="http://www.nytimes.com/2012/02/10/science/earth/despite-yuck-factor-treated-wastewater-used-for-drinking.html?ref=water" title="As ‘Yuck Factor’ Subsides, Treated Wastewater Flows From Taps">More</a>&nbsp;(Source: The New York Times)</span></p>