Main Purpose and Description
Using non-toilet wastewater from a household to water the root zone of the soil. This water often needs to be filtered (cleaned) in some way.
Further information can be found in the WRC Resources Library
WH&C Vol 2, Part1 (T: Pp 154-155 & H, CS: Vol 2, Part 1, Pp 2-6), AWHGS (T: Chap 4, P.-61)