
A landslide crashed into Straight Creek on U.S. Forest Service land last week, threatening Dillon and Dillon Valley's primary water supply.
But the town and the valley will be able to pull clean drinking water from the high Lasky Gulch for at least a few months while waiting for the sediment from the slide to clear.
"The immediate concern was the question: Was it a large enough slide to where it could deposit enough material to create a blockage on Straight Creek?" Dillon town manager Devin Granbery said. "There would be a potential for the build up of water behind a blockage and then a release. and there was a potential for damage to property and life safety issues there."
A release of water from a behind a landslide dam could also damage the Dillon and Dillon Valley diversion plants downstream, which pull water from the creek to be filtered for drinking water.