California Code, Water Code - WAT § 13276

(a) The multiagency task force, the Department of Fish and Wildlife and state board pilot project to address the Environmental Impacts of Cannabis Cultivation, assigned to respond to the damages caused by cannabis cultivation on public and private lands in California, shall continue its enforcement efforts on a permanent basis and expand them to a statewide level to ensure the reduction of adverse impacts of cannabis cultivation on water quality and on fish and wildlife throughout the state.

(b) The state board or the appropriate regional board shall address discharges of waste resulting from cannabis cultivation under Division 10 (commencing with Section 26000) of the Business and Professions Code and associated activities, including by adopting a general permit, establishing waste discharge requirements, or taking action pursuant to Section 13269. In addressing these discharges, the state board or the regional board shall include conditions to address items that include, but are not limited to, all of the following: