What is the cleanest lake in Grey County, Ontario?

Bass Lake in Grey County is the cleanest lake on the readings in Grey County, Ontario with an EPA water-quality readings of — and 12.5 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 Grey County, Ontario

Bass Lake in Grey County leads the rankings on measured clarity and nutrients and 12.5 ft of clarity. Below are the top 11 cleanest monitored lakes in Grey County, Ontario, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Bass Lake	Grey	—	12.5 ft	5.3 µg/L	-
2	Boyd Lake	Grey	—	8.2 ft	13.4 µg/L	-
3	Brewster'S Lake	Grey	—	13.8 ft	9.2 µg/L	-
4	Eugenia Lake	Grey	—	9.8 ft	8.3 µg/L	-
5	Francis Lake	Grey	—	8.2 ft	9 µg/L	-
6	Habermehl Lake	Grey	—	9.5 ft	11.9 µg/L	-
7	Mccullough Lake	Grey	—	13.1 ft	7.4 µg/L	-
8	North Louise Lake	Grey	—	11.5 ft	9.3 µg/L	-
9	Wilder Lake	Grey	—	13 ft	8.1 µg/L	-
10	Williams Lake	Grey	—	5.6 ft	4.9 µg/L	-
11	Mountain Lake	Grey	—	10.8 ft	11.7 µg/L	-

Ranked List

More Answers for Grey County, Ontario