What is the cleanest lake in D'Autray County, Québec?

Lac Mandeville in D'Autray County has the cleanest nutrient and algae readings in D'Autray County, Québec, with 3.9 feet of measured 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 separately. Lakes without enough recent samples are listed without a condition class rather than ranked low. Source data comes from the EPA Water Quality Portal.

Cleanest Lakes in D'Autray County, Québec

Lac Mandeville in D'Autray County leads the rankings on measured clarity and nutrients and 3.9 ft of clarity. Below are the top 14 cleanest monitored lakes in D'Autray County, Québec, ranked on EPA nutrient and algae measurements.

Ranked List

#	Lake	County	Clarity	Phosphorus	Algae
1	Lac Mandeville	D'Autray	3.9 ft	28.7 µg/L	34 µg/L
2	Lac Deligny	D'Autray	12.8 ft	7.3 µg/L	3.4 µg/L
3	Lac Long	D'Autray	11.6 ft	5 µg/L	2.7 µg/L
4	Lac HéNault	D'Autray	7.1 ft	7.5 µg/L	3.4 µg/L
5	Lac Rouge	D'Autray	14.1 ft	4.6 µg/L	2 µg/L
6	Lac Sainte-Rose	D'Autray	5.7 ft	14.2 µg/L	4.4 µg/L
7	Lac Thomas	D'Autray	16.7 ft	3.8 µg/L	1.7 µg/L
8	Lac Mcgrey	D'Autray	9.8 ft	6.5 µg/L	4.2 µg/L
9	Lac à L'Île	D'Autray	14.4 ft	6.7 µg/L	3.2 µg/L
10	Lac Creux	D'Autray	30.8 ft	3.3 µg/L	1.1 µg/L
11	Lac Croche	D'Autray	10.2 ft	8.1 µg/L	3.7 µg/L
12	Lac Hamelin	D'Autray	3 ft	21.3 µg/L	8.2 µg/L
13	Lac Lewis	D'Autray	6.7 ft	18 µg/L	14.3 µg/L
14	Lac Maskinongé	D'Autray	8.9 ft	9.5 µg/L	4.3 µg/L

Ranked List

More Answers for D'Autray County, Québec