California Code, Water Code - WAT § 13167

(a) The state board shall implement, with the assistance of the regional boards, a public information program on matters involving water quality, and shall place and maintain on its Internet Web site, in a format accessible to the general public, an information file on water quality monitoring, assessment, research, standards, regulation, enforcement, and other pertinent matters.

(b) The information file described in subdivision (a) shall include, but need not be limited to, copies of permits, waste discharge requirements, waivers, enforcement actions, and petitions for review of these actions pursuant to this division. The file shall include copies of water quality control plans and policies, including any relevant management agency agreements pursuant to this chapter and Chapter 4 (commencing with Section 13200), and monitoring data and assessment information, or shall identify Internet links to that information. The state board, in consultation with the regional boards, shall ensure that the information is available in single locations, rather than separately by region, and that the information is presented in a manner easily understandable by the general public.