PDFWAC 352-32-170
Rubbish.
(1) No person shall leave, deposit, drop, or scatter bottles, broken glass, ashes (except human crematory ashes), waste paper, cans, or other rubbish, in a state park area, except in a garbage can or other receptacle designated for such purposes.
(2) No person shall deposit any household or commercial garbage, refuse, waste, or rubbish, which is brought as such from any private property, in any state park area garbage can or other receptacle designed for such purpose.
(3) Any violation of this section is an infraction under chapter 7.84 RCW.