What is the cleanest lake in Augusta County, Virginia?

Coles Run Reservoir in Augusta County is the highest-rated lake in Augusta County, Virginia with an EPA water quality grade of A and 25.8 feet of water clarity.

How are these rankings calculated?

Lakes are graded A through F on nutrients and algae — total phosphorus, nitrogen, chlorophyll-a, and turbidity — against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown; it is not the letter. Lakes without enough recent samples are UNRATED, not given an F. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in Augusta County, Virginia

Coles Run Reservoir in Augusta County leads the rankings with a water quality grade of A and 25.8 ft of clarity. Below are the top 1 cleanest monitored lakes in Augusta County, Virginia, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Coles Run Reservoir	Augusta	A	25.8 ft	5 µg/L	0.5 µg/L

Ranked List

More Answers for Augusta County, Virginia