What is the cleanest lake in Davidson County, Tennessee?

Cumberland River Lake in Davidson County is the highest-rated lake in Davidson County, Tennessee with an EPA water quality grade of D.

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 Davidson County, Tennessee

Cumberland River Lake in Davidson County leads the rankings with a water quality grade of D. Below are the top 2 cleanest monitored lakes in Davidson County, Tennessee, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Cumberland River Lake	Davidson	D	-	69.4 µg/L	-
2	Radnor Lake	Davidson	NR	-	-	-

Ranked List

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