What is the cleanest lake in Carroll County, Arkansas?

Beaver Lake in Carroll County is the highest-rated lake in Carroll County, Arkansas with an EPA water quality grade of A and 20.3 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 Carroll County, Arkansas

Beaver Lake in Carroll County leads the rankings with a water quality grade of A and 20.3 ft of clarity. Below are the top 2 cleanest monitored lakes in Carroll County, Arkansas, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Beaver Lake	Carroll	A	20.3 ft	5 µg/L	1.2 µg/L
2	Lake Leatherwood	Carroll	C	-	26 µg/L	2.9 µg/L

Ranked List

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