Cleanest Lakes in Portneuf County, Québec
Lac ÉMeraude in Portneuf County leads the rankings with a water quality grade of A and 23.5 ft of clarity. Below are the 23 cleanest monitored lakes in Portneuf County, Québec, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Lac ÉMeraude | Portneuf | A | 23.5 ft | 2.6 µg/L | 1.1 µg/L |
| 2 | Lac Clair | Portneuf | A | 26.6 ft | 2.5 µg/L | 1 µg/L |
| 3 | Lac à L'Anguille | Portneuf | A | 17.7 ft | 3.6 µg/L | 1.1 µg/L |
| 4 | Lac Rita | Portneuf | A | 27.6 ft | 5.4 µg/L | 1.8 µg/L |
| 5 | Lac Bleu | Portneuf | A | 10.8 ft | 8 µg/L | 2.9 µg/L |
| 6 | Lac Simon | Portneuf | A | 13.8 ft | 3.5 µg/L | 1.3 µg/L |
| 7 | Lac Carillon | Portneuf | A | 13.3 ft | 4.8 µg/L | 3 µg/L |
| 8 | Lac Blanc | Portneuf | A | 11.5 ft | 6.6 µg/L | 2.9 µg/L |
| 9 | Lac Montauban | Portneuf | A | 12.6 ft | 6.4 µg/L | 3.1 µg/L |
| 10 | Lac Long | Portneuf | A | 13.8 ft | 6 µg/L | 2.8 µg/L |
| 11 | Lac Sainte-Anne | Portneuf | A | 12 ft | 5.3 µg/L | 1.9 µg/L |
| 12 | Lac Aux CèDres | Portneuf | A | 11.2 ft | 5.4 µg/L | 1.6 µg/L |
| 13 | Le Gros Lac | Portneuf | A | 14.8 ft | 5 µg/L | 1.9 µg/L |
| 14 | Lac Sept ÎLes | Portneuf | A | 11.8 ft | 7.3 µg/L | 4.2 µg/L |
| 15 | Lac Sergent | Portneuf | B | 11.2 ft | 8.6 µg/L | 5.2 µg/L |
| 16 | Lac Perreault | Portneuf | B | 7.5 ft | 6.1 µg/L | 3.1 µg/L |
| 17 | Lac Travers | Portneuf | B | 9.8 ft | 5 µg/L | 1.7 µg/L |
| 18 | Lac Morasse | Portneuf | B | 9.5 ft | 6.3 µg/L | 2 µg/L |
| 19 | Lac Vert | Portneuf | B | 13.5 ft | 5.8 µg/L | 5.2 µg/L |
| 20 | Lac de la Ferme | Portneuf | B | 9.5 ft | 7.1 µg/L | 1.8 µg/L |
| 21 | Lac Alain | Portneuf | B | 6.7 ft | 7.8 µg/L | 6.4 µg/L |
| 22 | Lac de L'Oasis | Portneuf | B | 5.9 ft | 12.3 µg/L | 2.7 µg/L |
| 23 | Lac à la Hache | Portneuf | B | 4.6 ft | 10.2 µg/L | 2.3 µg/L |