Section 18941.8 Of Chapter 4. The California Building Standards Code From California Health And Safety Code >> Division 13. >> Part 2.5. >> Chapter 4.
18941.8
. (a) As used in this section, "graywater" has the same
meaning as defined in Section 17922.12.
(b) Notwithstanding Chapter 22 (commencing with Section 14875) of
Division 7 of the Water Code, as a part of the next triennial edition
of the California Building Standards Code (Title 24 of the
California Code of Regulations) adopted after January 1, 2011, the
commission shall adopt building standards for the construction,
installation, and alteration of graywater systems for indoor and
outdoor uses in nonresidential occupancies.
(c) In adopting building standards under this section, the
commission shall do all of the following:
(1) Ensure protection of water quality in accordance with
applicable provisions of state and federal water quality law.
(2) Consider the adopted building standards for the construction,
installation, and alteration of graywater systems for indoor and
outdoor uses in residential buildings.
(3) Consider existing research available on the environmental
consequences to soil and groundwater of short-term and long-term
graywater use for irrigation purposes.
(4) Consider graywater use impacts on human health.
(5) Consider the circumstances under which the use of graywater
treatment systems in nonresidential occupancies is recommended.
(6) Consider the use and regulation of graywater in other
jurisdictions.
(7) Use Chapter 16 of the Uniform Plumbing Code, adopted by the
International Association of Plumbing and Mechanical Officials, as
the starting point for the building standards and amend those
standards as necessary.
(d) The commission may revise and update the standards adopted
under this section at any time.
(e) The commission's adoption of building standards for graywater
systems pursuant to this section shall terminate the authority of the
Department of Water Resources to adopt and update standards for the
installation, construction, and alteration of graywater systems in
nonresidential buildings pursuant to Chapter 22 (commencing with
Section 14875) of Division 7 of the Water Code.