Cleanest Lakes in D'Autray County, Québec
Lac Thomas in D'Autray County leads the rankings with a water quality grade of A and 16.7 ft of clarity. Below are the 14 cleanest monitored lakes in D'Autray County, Québec, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Lac Thomas | D'Autray | A | 16.7 ft | 3.8 µg/L | 1.7 µg/L |
| 2 | Lac Creux | D'Autray | A | 30.8 ft | 3.3 µg/L | 1.1 µg/L |
| 3 | Lac Deligny | D'Autray | A | 12.8 ft | 7.3 µg/L | 3.4 µg/L |
| 4 | Lac Long | D'Autray | A | 11.6 ft | 5 µg/L | 2.7 µg/L |
| 5 | Lac Rouge | D'Autray | A | 14.1 ft | 4.6 µg/L | 2 µg/L |
| 6 | Lac à L'Île | D'Autray | A | 14.4 ft | 6.7 µg/L | 3.2 µg/L |
| 7 | Lac Croche | D'Autray | A | 10.2 ft | 8.1 µg/L | 3.7 µg/L |
| 8 | Lac HéNault | D'Autray | B | 7.1 ft | 7.5 µg/L | 3.4 µg/L |
| 9 | Lac Mcgrey | D'Autray | B | 9.8 ft | 6.5 µg/L | 4.2 µg/L |
| 10 | Lac Maskinongé | D'Autray | B | 8.9 ft | 9.5 µg/L | 4.3 µg/L |
| 11 | Lac Sainte-Rose | D'Autray | B | 5.7 ft | 14.2 µg/L | 4.4 µg/L |
| 12 | Lac Lewis | D'Autray | B | 6.7 ft | 18 µg/L | 14.3 µg/L |
| 13 | Lac Hamelin | D'Autray | C | 3 ft | 21.3 µg/L | 8.2 µg/L |
| 14 | Lac Mandeville | D'Autray | D | 3.9 ft | 28.7 µg/L | 34 µg/L |