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

Fairport Reservoirs in Ontario County is the highest-rated lake in Ontario 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 Ontario County, New York

Fairport Reservoirs in Ontario County leads the rankings with a water quality grade of NR. Below are the top 3 cleanest monitored lakes in Ontario County, New York, ranked by EPA water quality score.

Ranked List

#	Lake	County	Grade	Clarity	Phosphorus	Algae
1	Fairport Reservoirs	Ontario	NR	-	-	-
2	Newark Reservoir	Ontario	NR	-	-	-
3	Burnett Pond	Ontario	NR	-	-	-

Ranked List

More Answers for Ontario County, New York