What is the cleanest lake in Lennox and Addington County, Ontario?

Beaver Lake in Lennox and Addington County is the cleanest lake on the readings in Lennox and Addington County, Ontario with an EPA water-quality readings of — and 12.8 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 Lennox and Addington County, Ontario

Beaver Lake in Lennox and Addington County leads the rankings on measured clarity and nutrients and 12.8 ft of clarity. Below are the top 11 cleanest monitored lakes in Lennox and Addington County, Ontario, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Beaver Lake	Lennox and Addington	—	12.8 ft	14.9 µg/L	-
2	Pringle Lake	Lennox and Addington	—	7.9 ft	10.1 µg/L	-
3	Sheffield Long Lake	Lennox and Addington	—	8.5 ft	11.5 µg/L	-
4	Skootamatta Lake	Lennox and Addington	—	13.5 ft	9.3 µg/L	-
5	Weslemkoon Lake	Lennox and Addington	—	14.1 ft	6.8 µg/L	-
6	Effingham Lake	Lennox and Addington	—	6.2 ft	9.5 µg/L	-
7	Otter Lake	Lennox and Addington	—	10.8 ft	6.8 µg/L	-
8	Crystal Lake	Lennox and Addington	—	18 ft	6.5 µg/L	-
9	Gull Lake	Lennox and Addington	—	9.8 ft	9.3 µg/L	-
10	Joeperry Lake	Lennox and Addington	—	10.8 ft	6.5 µg/L	-
11	Leatherroot Lake	Lennox and Addington	—	23 ft	5.2 µg/L	-

Ranked List

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