What is the cleanest lake in Mauricie County, Québec?

Lac Mondor in Mauricie County is the cleanest lake on the readings in Mauricie County, Québec with an EPA water-quality readings of — and 15.4 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 Mauricie County, Québec

Lac Mondor in Mauricie County leads the rankings on measured clarity and nutrients and 15.4 ft of clarity. Below are the top 8 cleanest monitored lakes in Mauricie County, Québec, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Lac Mondor	Mauricie	—	15.4 ft	8.4 µg/L	2.1 µg/L
2	Lac à la Tortue	Mauricie	—	10.5 ft	11.6 µg/L	3.9 µg/L
3	Lac Caron	Mauricie	—	12.3 ft	7.9 µg/L	1.9 µg/L
4	Lac à la Perchaude	Mauricie	—	10 ft	7.1 µg/L	3.9 µg/L
5	Lac Alphonse	Mauricie	—	17.4 ft	3.5 µg/L	1.4 µg/L
6	Lac Lamarre	Mauricie	—	9.8 ft	7.6 µg/L	3.3 µg/L
7	Lac ChréTien	Mauricie	—	13.5 ft	5.6 µg/L	2.2 µg/L
8	Lac Vincent	Mauricie	—	17.7 ft	5 µg/L	1.3 µg/L

Ranked List

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