The lake has had resident rainbow trout and cutthroat trout since the Washington State Department of Fish and Wildlife (DFW) stocked it in the 1980s. Pre-1980 fish populations in Coldwater Creek and the Toutle River were wiped out by the eruption of Mount St. Helens. The DFW no longer stocks the lake but continues to manage it as a trout fishery. The daily catch limit is one fish, minimum length .