Recycled water.

(1) The Porter-Cologne Water Quality Control Act establishes a statewide program for the control of the quality of all the waters in the state. This bill would define rainwater and raw water for purposes of the act. (2) Existing law declares that the use of potable domestic water for nonpotable uses is a waste or an unreasonable use of water if recycled water is available, as determined by the State Water Resources Control Board, and other requirements are met. This bill, instead, would declare that the use of raw or potable domestic water for nonpotable municipal or industrial uses is a waste or unreasonable use of water if recycled water is available, as determined by the board, and other requirements are met, including, but not limited to, a requirement that the source of recycled water is reliable for those uses. (3) Existing law prohibits a person or public agency from using any water that is suitable for potable domestic use for nonpotable uses if suitable recycled water is available, as determined by the board, and other requirements are met. This bill, instead, would prohibit a person or public agency from using raw or potable water that is suitable for nonpotable municipal or industrial uses if suitable recycled water is available, as determined by the board, and other requirements are met. (4) Existing law declares that the use of potable domestic water for the irrigation of residential landscaping is a waste and unreasonable use of water if recycled water is available to residents, as determined by the board, and other requirements are met. This bill, instead, would declare that the use of raw or potable water for the irrigation of landscaping is a waste and unreasonable use of water if recycled water is available to users, as determined by the board, and other requirements are met. (5) Existing law declares that the use of potable domestic water for floor trap priming, cooling towers, and air-conditioning devices is a waste and unreasonable use of water if recycled water is available, as determined by the board, and other requirements are met. This bill, instead, would declare that the use of raw or potable water for those purposes is a waste and unreasonable use of water if recycled water is available, as determined by the board, and other requirements are met.