What is the cleanest lake in Greene County, New York?

Broncks Lake in Greene County is the highest-rated lake in Greene County, New York with an EPA water quality grade of NR.

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 Greene County, New York

Broncks Lake in Greene County leads the rankings with a water quality grade of NR. Below are the top 6 cleanest monitored lakes in Greene County, New York, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Broncks Lake	Greene	NR	-	-	-
2	Beaver Dam Lake	Greene	NR	-	-	-
3	Potuck Reservoir	Greene	NR	-	-	-
4	Colgate Lake	Greene	NR	-	-	-
5	Hollister Lake	Greene	NR	-	-	-
6	Greens Lake	Greene	NR	-	-	-

Ranked List

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