(a) An urban water supplier not regulated by the Public Utilities Commission shall comply with this chapter on and after February 1, 2020.
(b) An urban and community water system regulated by the Public Utilities Commission shall comply with this chapter on and after February 1, 2020. The urban and community water system regulated by the Public Utilities Commission shall file advice letters with the commission to conform with this chapter.
(c) An urban and community water system not described in subdivision (a) or (b) shall comply with this chapter on and after April 1, 2020.
(Added by Stats. 2018, Ch. 891, Sec. 2. (SB 998) Effective January 1, 2019.)