RCW 70A.315.070

Any person found guilty of wilfully violating, without sufficient cause, any of the provisions of this chapter, or permit or order issued pursuant to this chapter is guilty of a gross misdemeanor and upon conviction shall be punished by a fine of up to ten thousand dollars and costs of prosecution, or by imprisonment for up to three hundred sixty-four days, or by both. Each day of violation may be deemed a separate violation.