WAC 220-500-190
WAC 220-500-190. Domestic animals on department lands
It is unlawful for any person to allow domesticated animals to be unattended on, or to permit livestock to graze upon land under the control of the department without a written permit from the director. In addition to other penalties provided by law, any such person may be liable to the department for a compensatory fee of one dollar per head of livestock per day.