Article 3. Vessel Sanitation of California Health And Safety Code >> Division 104. >> Part 13. >> Chapter 4. >> Article 3.

No person shall maintain or operate in or upon the navigable waters of any lake, reservoir, or fresh water impoundment of this state any vessel that is equipped with a toilet unless the toilet is sealed or otherwise rendered inoperable or designed so that no human excreta can be discharged into the waters.