Grey Water Harvesting

The Dirty Water Underground - New York Times
May 31, 2007
OAKLAND, Calif.
Jamie Kripke for The New York Times

LAURA ALLEN’S modest gray house in the Oakland flatlands would give a building inspector nightmares. Jerry-built pipes protrude at odd angles from the back and sides of the nearly century-old house, running into a cascading series of bathtubs filled with gravel and cattails. White PVC pipe, buckets, milk crates and hoses are strewn about the lot. Inside, there is mysterious — and illegal — plumbing in every room.