The amount of water recycled instead of entering into the sewage system. It depends upon the proportion of graywater recycled for the chosen lifestyle.
Graywater recycled = piped water demand * proportion of graywater recycled * proportion of the vision extent with graywater recycling
Depends upon:
—Parameters: proportion of graywater recycled
—Other metrics: water used inside, usable areas (floor area), water used outside and water used making steam