What is the cleanest lake in La Jacques-Cartier County, Québec?

Lac Beauport in La Jacques-Cartier County is the cleanest lake on the readings in La Jacques-Cartier County, Québec with an EPA water-quality readings of — and 16.7 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 La Jacques-Cartier County, Québec

Lac Beauport in La Jacques-Cartier County leads the rankings on measured clarity and nutrients and 16.7 ft of clarity. Below are the top 7 cleanest monitored lakes in La Jacques-Cartier County, Québec, ranked by EPA water quality score.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Lac Beauport	La Jacques-Cartier	—	16.7 ft	4.7 µg/L	2.2 µg/L
2	Lac Tourbillon	La Jacques-Cartier	—	7.2 ft	7.7 µg/L	2.8 µg/L
3	Lac Bleu	La Jacques-Cartier	—	13.8 ft	7.6 µg/L	1 µg/L
4	Lac Saint-Joseph	La Jacques-Cartier	—	12.8 ft	5.9 µg/L	3.3 µg/L
5	Lac Delage	La Jacques-Cartier	—	13.8 ft	5.9 µg/L	2.6 µg/L
6	Lac Morin	La Jacques-Cartier	—	6.1 ft	10.9 µg/L	3.9 µg/L
7	Les Trois Petits Lacs	La Jacques-Cartier	—	14.9 ft	5.6 µg/L	1.3 µg/L

Ranked List

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