Do you or anyone you know make use of graywater. If so, how? [more inside]
posted by bonobo on Jan 9, 2008 - 35 answers

Say you're going to dig a hole...a deep hole...a hole that goes below the water table. I know it's going to fill with water, but the question is, at what rate? [more inside]
posted by gueneverey on Nov 14, 2007 - 5 answers