Unfortunately, you are wrong. You are thinking of grey water, which is semi-cleaned and used for watering lawns. One of my friends owns Aquathin (international mfg of water treatment systems) He alerted me to this ~ a year ago. Prepare to be totally disgusted:
" Further, the Orange County Water District, located in in Orange County, and in other locations throughout the world such as Singapore, water is given more advanced treatments and is used indirectly for drinking.[SUP]"[/SUP]
Report: Treated Wastewater Just as Safe to Drink as Existing Water Supplies
By
Rachel Bogart | Yahoo! Contributor Network – Thu, Jan 12, 2012
A report by the National Resource Council has concluded that treated wastewater is no more detrimental to human health than water from existing supplies, according to
USA Today. The report also details that in some cases, treated wastewater might be safer to drink in addition to being a more viable solution as the U.S. population continues to increase.
Similarly, the reuse of wastewater will become more and more crucial, especially in areas marked by water scarcity like Texas and Southern California. With the release of this report, here are some facts about water use in the U.S. and projects that are adopting the practice of turning wastewater into potable water:"