Waste water relatively clean. Sourced from the kitchen, or tub or sink or shower, not the toilet, and laundering. Usable with little or no treatment for landscape irrigation and other non-potable uses. Known also as sanitary water.
GRAY WATER
Waste water relatively clean. Sourced from the kitchen, or tub or sink or shower, not the toilet, and laundering. Usable with little or no treatment for landscape irrigation and other non-potable uses. Known also as sanitary water.