Water not down the drain

"Water Not Down the Drain gives practical information about how to use rainwater and greywater at home. It includes information about how to save water, as well as things to consider when installing greywater and rainwater systems. It includes details about stormwater use, water use in the garden, and complete house treatment systems such as bio-membrane, aerated, worm and septic systems. Includes detailed information about water pumps, tanks and health and environmental issues with greywater use."--Provided by publisher.