What is the cleanest lake in Orange County, Vermont?

Lake Fairlee in Orange County is the highest-rated lake in Orange County, Vermont with an EPA water quality grade of A and 21.7 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 Orange County, Vermont

Lake Fairlee in Orange County leads the rankings with a water quality grade of A and 21.7 ft of clarity. Below are the top 10 cleanest monitored lakes in Orange County, Vermont, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Lake Fairlee	Orange	A	21.7 ft	14.3 µg/L	2.7 µg/L
2	Lake Morey	Orange	A	19.7 ft	15.2 µg/L	2.8 µg/L
3	Halls Lake	Orange	A	13.9 ft	13.1 µg/L	4.4 µg/L
4	North Pond	Orange	NR	-	-	-
5	Lamson Pond	Orange	NR	-	-	-
6	Baker Pond	Orange	NR	-	-	-
7	Thurman W. Dix Reservoir	Orange	NR	-	-	-
8	Round Pond	Orange	NR	-	-	-
9	Lake Abenaki	Orange	NR	-	-	-
10	Lake Fairlee	Orange	NR	-	-	-

Ranked List

More Answers for Orange County, Vermont