What is the cleanest lake in Windham County, Vermont?

Lake Raponda in Windham County has the cleanest nutrient and algae readings in Windham County, Vermont, with 11.3 feet of measured water clarity.

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 Windham County, Vermont

Lake Raponda in Windham County leads the rankings on measured clarity and nutrients and 11.3 ft of clarity. Below are the top 13 cleanest monitored lakes in Windham County, Vermont, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Lake Raponda	Windham	11.3 ft	10.1 µg/L	2.4 µg/L
2	Lowell Lake	Windham	13.5 ft	8.2 µg/L	1.8 µg/L
3	Cole Pond	Windham	9.8 ft	9.9 µg/L	2.2 µg/L
4	Grout Pond	Windham	8.5 ft	12.5 µg/L	2.9 µg/L
5	Sunset Lake	Windham	17.9 ft	10.1 µg/L	1.8 µg/L
6	Haystack Pond	Windham	9.6 ft	10.2 µg/L	-
7	Pine Lake	Windham	-	-	-
8	Sadawga Lake	Windham	-	-	-
9	Gates Pond	Windham	-	-	-
10	Burbees Pond	Windham	-	-	-
11	Stratton Pond	Windham	-	-	-
12	Sherman Reservoir	Windham	-	-	-
13	Minards Pond	Windham	-	-	-

Ranked List

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