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(a) A person who obtains a permit for a project that is subject to this chapter shall use recycled water for irrigation when tertiary treated recycled water is available from the water purveyor who supplies water to the property for which the County issues a permit.
(b) A person using recycled water from a public water purveyor shall install a distribution system that separates recycled water from potable water. Pipes carrying recycled water shall be purple and areas accessible to the public shall be posted with signs per the requirements of Title 22 California Code of Regulations.
(c) Landscapes using recycled water are considered Special Landscape Areas. The ET Adjustment Factor for new and existing (non-modified) Special Landscape Areas shall not exceed 1.0.
(d) This section does not excuse a person using recycled water from complying with all State and local laws and regulations related to recycled water use.