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(a) Graywater systems promote the efficient use of water and are encouraged to assist in on-site landscape irrigation. All graywater systems shall conform to the California Plumbing Code (Title 24, Part 5, Chapter 16).
(b) Graywater shall only be used for subsurface although, graywater can be discharged to the ground surface in a mulch basin as long as it remains covered with at least two inches of mulch, rock, or soil. Graywater systems may include tanks, filters, pumps, and piping for subsurface landscape irrigation through mulch basins, disposal trenches, or subsurface drip irrigation fields.
(c) Graywater can be used to irrigate fruit trees, ornamental trees, shrubs, groundcovers, and lawns. Graywater shall not be used in vegetable gardens where the food is a root crop or touches the ground surface.
(d) Graywater does not include captured rainwater.
(Added by Ord. No. 10427 (N.S.), effective 5-27-16)