Drought has made reusing 'gray' water an increasingly popular, and … - Press-Enterprise
Sunday, May 31st, 2009|
Drought has made reusing 'gray' water an increasingly popular, and …
Press-Enterprise, CA But the state plumbing code, one of the most restrictive in the country, doesn't make it easy, Bilson said. Among the more difficult requirements: Gray water irrigation pipes must be buried 9 inches deep, and no surface runoff is allowed. … |
