Section 6460 Of Article 1. Dams And Reservoirs Completed Before 1965 Revisions From California Water Code >> Division 3. >> Part 1. >> Chapter 10. >> Article 1.

. The department shall require owners of such dams or reservoirs to perform at their expense such work or tests as necessary to disclose information sufficient to enable the department to determine whether to issue certificates of approval or to issue orders directing further work at the owner's expense necessary to safeguard life and property. For this purpose, the department may require an owner to lower the water level of, or to empty, the reservoir.