California Code, Harbors and Navigation Code - HNC § 775

(1) Marine sanitation devices should be regulated pursuant to uniform standards and procedures, and California vessel owners should not be subject to any local or state regulation as to the type of marine sanitation devices installed on their vessels.

(2) The proper use of marine sanitation devices is critical to the protection of water quality throughout California, and use of marine sanitation devices is required to be in conformance with the Federal Water Pollution Control Act (33 U.S.C. Sec. 1321 et seq.).

(3) For proper utilization of retention-type marine sanitation devices installed in conformance with the federal Water Pollution Control Act and for the protection of the quality of the waters of this state, adequate vessel pumpout facilities are essential.