Several of Wyoming’s streams are considered “impaired” by the EPA because rain and snowmelt have washed sediments and pollutants into the water. Now, the Teton Conservation District is hoping to educate people about what they can do to mitigate the problem.

The group’s natural resources specialist, Rachel Daluge, says materials from construction sites– as well as sand from roads– often ends up in waterways, which can harm fish and aquatic plants.