What is the cleanest lake in Le Granit County, Québec?

Lac des Trois Milles in Le Granit County is the cleanest lake on the readings in Le Granit County, Québec with an EPA water-quality readings of — and 7.9 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 Le Granit County, Québec

Lac des Trois Milles in Le Granit County leads the rankings on measured clarity and nutrients and 7.9 ft of clarity. Below are the top 9 cleanest monitored lakes in Le Granit County, Québec, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Lac des Trois Milles	Le Granit	—	7.9 ft	11.5 µg/L	4.1 µg/L
2	Petit Lac Lambton	Le Granit	—	13.8 ft	7.4 µg/L	3.3 µg/L
3	Lac ÉQuerre	Le Granit	—	11 ft	10.1 µg/L	4.7 µg/L
4	Lac Drolet	Le Granit	—	9.8 ft	10.1 µg/L	6 µg/L
5	Lac Elgin	Le Granit	—	10.8 ft	3.8 µg/L	1.8 µg/L
6	Lac Thor	Le Granit	—	14.4 ft	7 µg/L	5 µg/L
7	Grand Lac Saint-FrançOis	Le Granit	—	8.9 ft	9.8 µg/L	3.8 µg/L
8	Lac MéGantic	Le Granit	—	12.1 ft	6.1 µg/L	2.2 µg/L
9	Lac Ruel	Le Granit	—	13.5 ft	7.8 µg/L	2.3 µg/L

Ranked List

More Answers for Le Granit County, Québec