Wat. Code, § 6160

(a) An owner of a dam that is regulated by the state is responsible for emergency preparedness with regard to the potential for loss of life and property resulting from the failure of a dam, as defined in Section 6002, or a critical appurtenant structure, as defined in Section 6002.5.

(b) (1) Not later than July 1, 2017, the department shall classify the public safety risk of all state jurisdictional dams, based on downstream hazard potential and reviews of critical appurtenant structures, in accordance with, at a minimum, guidelines set forth by the Federal Emergency Management Agency. The department shall notify the owner of a dam of the hazard classification of the owner’s dam.

(2) The department may revise a dam’s classification to reflect changes in downstream population, critical infrastructure, and land use. The department shall notify the affected dam owner of any changes in the hazard classification of the owner’s dam.

(3) Notwithstanding Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code, the classification of the public safety risk by the department on or before July 1, 2017, pursuant to this section is not subject to review or approval by the Office of Administrative Law.

(c) The owner of a dam that is regulated by the state, except a dam classified by the department pursuant to subdivision (b) as low hazard, shall prepare an emergency action plan pursuant to Section 8589.5 of the Government Code.

(d) An owner of a dam that is jointly regulated by the state and the Federal Energy Regulatory Commission shall prepare an emergency action plan in accordance with Federal Energy Regulatory Commission guidelines.