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

Helderberg Lake in Albany County is the highest-rated lake in Albany 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 Albany County, New York

Helderberg Lake in Albany County leads the rankings with a water quality grade of NR. Below are the top 11 cleanest monitored lakes in Albany County, New York, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Helderberg Lake	Albany	NR	-	-	-
2	Thompsons Lake	Albany	NR	-	-	-
3	Warners Lake	Albany	NR	-	-	-
4	Crystal Lake	Albany	NR	-	-	-
5	Myosotis Lake	Albany	NR	-	-	-
6	Triangle Lake	Albany	NR	-	-	-
7	Onderdonk Lake	Albany	NR	-	-	-
8	Lawson Lake	Albany	NR	-	-	-
9	Alcove Reservoir	Albany	NR	-	-	-
10	Basic Creek Reservoir	Albany	NR	-	-	-
11	Rensselaer Lake	Albany	NR	-	-	-

Ranked List

More Answers for Albany County, New York