The U.S. Forest Service is reviewing ways to prevent Spirit Lake from overflowing, including updating or replacing an aging tunnel built to drain the lake after the 1980 Mount St. Helens eruption.

Safely managing the water level of Spirit Lake is paramount, as over 50,000 people live downstream of the tunnel outflow, according to a news release from the forest service. Identifying a ...

The U.S. Forest Service is reviewing ways to prevent Spirit Lake from overflowing by updating or replacing an aging tunnel built to drain the lake after the 1980 Mount St. Helens eruption.