WAC 352-37-300
WAC 352-37-300. Sanitation
No person shall, in the seashore conservation area:
(1) Drain or dump refuse or waste from any trailer, camper, automobile, or other vehicle, or vessel, except in designated disposal areas or receptacles.
(2) Urinate or defecate except in designated facilities.
(3) Pollute, or in any way contaminate by dumping or otherwise depositing therein any waste or refuse of any nature, kind, or description, including human or animal bodily waste, any stream, river, lake, or other body of water running in, through, or adjacent to, the seashore conservation area.
(4) Any violation of this section is an infraction under chapter 7.84 RCW.