(a) The department, in consultation with the State Department of Public Health and the Center for Irrigation Technology at California State University, Fresno, shall adopt standards for the installation of graywater systems. In adopting these standards, the department shall consider, among other resources, “Appendix J,” as adopted on September 29, 1992, by the International Association of Plumbing and Mechanical Officials, the graywater standard proposed for the latest edition of the Uniform Plumbing Code of the International Association of Plumbing and Mechanical Officials, the City of Los Angeles Graywater Pilot Project Final Report issued in November 1992, and the advice of the Center for Irrigation Technology at California State University, Fresno, on the installation depth for subsurface drip irrigation systems.

(b) The department shall include among the approved methods of subsurface irrigation, but the approved methods shall not be limited to, drip systems.

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(c) The department shall revise its graywater systems standards as needed.

(d) (1) The authority of the department under this chapter to adopt standards for residential buildings shall terminate upon the approval by the California Building Standards Commission of the standards submitted to that commission pursuant to § 17922.12 of the Health and Safety Code.

(2) The authority of the department under this chapter to adopt standards for nonresidential occupancies shall terminate upon the adoption of standards by the California Building Standards Commission pursuant to § 18941.8 of the Health and Safety Code.

(Amended by Stats. 2010, Ch. 622, Sec. 2. (SB 518) Effective January 1, 2011.)