What is the cleanest lake in Rhea County, Tennessee?

Piney River Lake in Rhea County is the highest-rated lake in Rhea County, Tennessee with an EPA water quality grade of B and 6.4 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 Rhea County, Tennessee

Piney River Lake in Rhea County leads the rankings with a water quality grade of B and 6.4 ft of clarity. Below are the top 3 cleanest monitored lakes in Rhea County, Tennessee, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Piney River Lake	Rhea	B	6.4 ft	18 µg/L	-
2	Tennessee River Lake	Rhea	C	7.1 ft	29.1 µg/L	-
3	Blue Spring Slough	Rhea	NR	-	-	-

Ranked List

More Answers for Rhea County, Tennessee