What is the cleanest lake in Montgomery County, Kentucky?

Greenbrier Creek Reservoir in Montgomery County is the highest-rated lake in Montgomery County, Kentucky with an EPA water quality grade of C.

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 Montgomery County, Kentucky

Greenbrier Creek Reservoir in Montgomery County leads the rankings with a water quality grade of C. Below are the top 3 cleanest monitored lakes in Montgomery County, Kentucky, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Greenbrier Creek Reservoir	Montgomery	C	-	30 µg/L	-
2	Sid Calk Lake	Montgomery	NR	-	-	-
3	Greenbrier Creek Reservoir	Montgomery	NR	-	-	-

Ranked List

More Answers for Montgomery County, Kentucky