What is the cleanest lake in Henry County, Georgia?

Clayton County Reservoir in Henry County has the cleanest nutrient and algae readings in Henry County, Georgia.

How are these rankings calculated?

Nutrients and algae, total phosphorus, nitrogen, chlorophyll-a and turbidity, are read against EPA National Lakes Assessment 2022 condition classes for that lake’s ecoregion. Water clarity (Secchi depth) is measured and shown separately. Lakes without enough recent samples are listed without a condition class rather than ranked low. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in Henry County, Georgia

Clayton County Reservoir in Henry County leads the rankings on measured clarity and nutrients. Below are the top 13 cleanest monitored lakes in Henry County, Georgia, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Clayton County Reservoir	Henry	-	-	-
2	Swan Lake	Henry	-	-	-
3	Lake Talmadge	Henry	-	-	-
4	Twelve Oaks Lake	Henry	-	-	-
5	Lake Twelve Oaks	Henry	-	-	-
6	Harbins Lake	Henry	-	-	-
7	Lake Erma	Henry	-	-	-
8	Lake Cindy	Henry	-	-	-
9	Painted Turtle Lake	Henry	-	-	-
10	Duggan Lake	Henry	-	-	-
11	Lake Dow	Henry	-	-	-
12	Iris Lakes	Henry	-	-	-
13	Skyland Lake	Henry	-	-	-

Ranked List

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