Possession of Marijuana
Although marijuana is legal to consume in Washington State, possessing certain amounts is still illegal. The limits are 1 oz of leafy marijuana, 16 oz of edible solid marijuana, 72 oz of edible liquid marijuana, and 7 grams of marijuana concentrate. Having more than 1 oz but under 40 grams (1.4 oz) is a misdemeanor while over 40 grams is a felony.
Use of Drug Paraphernalia
One can be charged simply for touching an object related to drugs. These objects, depending on intended use, can include things like scales, bowls, spoons, bongs, and roach clips, among others.