What is the cleanest lake in Cherokee County, Georgia?

Lake Allatoona in Cherokee County is the highest-rated lake in Cherokee County, Georgia with an EPA water quality grade of D and 3.8 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 Cherokee County, Georgia

Lake Allatoona in Cherokee County leads the rankings with a water quality grade of D and 3.8 ft of clarity. Below are the top 6 cleanest monitored lakes in Cherokee County, Georgia, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Lake Allatoona	Cherokee	D	3.8 ft	30 µg/L	19 µg/L
2	Lake Arrowhead	Cherokee	NR	-	-	-
3	Canton Mills Lake	Cherokee	NR	-	-	-
4	Garrison Lake	Cherokee	NR	-	-	-
5	Almond Lake	Cherokee	NR	-	-	-
6	Bradshaw Lake	Cherokee	NR	-	-	-

Ranked List

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