What is the cleanest lake in Central Ontario County, Ontario?

Balsam Lake in Central Ontario County is the cleanest lake on the readings in Central Ontario County, Ontario with an EPA water-quality readings of — and 14.1 feet of 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; 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 Central Ontario County, Ontario

Balsam Lake in Central Ontario County leads the rankings on measured clarity and nutrients and 14.1 ft of clarity. Below are the top 19 cleanest monitored lakes in Central Ontario County, Ontario, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Balsam Lake	Central Ontario	—	14.1 ft	11.3 µg/L	-
2	Cameron Lake	Central Ontario	—	11.8 ft	10.1 µg/L	-
3	Canal Lake	Central Ontario	—	6.6 ft	18.8 µg/L	-
4	Cranberry Lake	Central Ontario	—	6.2 ft	17 µg/L	-
5	Crego Lake	Central Ontario	—	11.8 ft	8.8 µg/L	-
6	Dalrymple Lake	Central Ontario	—	6.4 ft	15.8 µg/L	-
7	Four Mile Lake	Central Ontario	—	21.3 ft	5.9 µg/L	-
8	Head Lake	Central Ontario	—	9.8 ft	11.4 µg/L	-
9	Logan Lake	Central Ontario	—	10.5 ft	8.7 µg/L	-
10	Mitchell Lake	Central Ontario	—	7.1 ft	21.9 µg/L	-
11	Oak Lake	Central Ontario	—	17.1 ft	13.3 µg/L	-
12	Pigeon River Lake	Central Ontario	—	6.9 ft	22.9 µg/L	-
13	Rush Lake	Central Ontario	—	11.2 ft	8.9 µg/L	-
14	Scugog Lake	Central Ontario	—	3.1 ft	20.9 µg/L	-
15	Shadow Lake	Central Ontario	—	13.8 ft	6.3 µg/L	-
16	Sturgeon Lake	Central Ontario	—	9.5 ft	16.1 µg/L	-
17	Emily Lake	Central Ontario	—	9.5 ft	30.4 µg/L	-
18	Silver Lake	Central Ontario	—	12.3 ft	7.5 µg/L	-
19	Young Lake	Central Ontario	—	20.3 ft	9.9 µg/L	-

Ranked List

More Answers for Central Ontario County, Ontario