Cleanest Lakes in Keweenaw County, Michigan
Lake Harvey in Keweenaw County leads the rankings with a water quality grade of A and 10.5 ft of clarity. Below are the top 12 cleanest monitored lakes in Keweenaw County, Michigan, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Lake Harvey | Keweenaw | A | 10.5 ft | 11.6 µg/L | - |
| 2 | Sargent Lake | Keweenaw | A | 10.4 ft | 17.3 µg/L | - |
| 3 | Siskiwit Lake | Keweenaw | A | 19.3 ft | 24.5 µg/L | - |
| 4 | Lake Richie | Keweenaw | B | 8.3 ft | 17.8 µg/L | - |
| 5 | Beaver Lake | Keweenaw | B | 8 ft | 17.1 µg/L | - |
| 6 | Feldtmann Lake | Keweenaw | B | 7.3 ft | 14.2 µg/L | - |
| 7 | Lake George | Keweenaw | B | 8 ft | 9.9 µg/L | - |
| 8 | Lake Ahmik | Keweenaw | B | 7 ft | 17 µg/L | - |
| 9 | Lake Whittlesey | Keweenaw | B | 11.6 ft | 23.3 µg/L | - |
| 10 | Lake Desor | Keweenaw | B | 7.8 ft | 22.7 µg/L | - |
| 11 | Chickenbone Lake | Keweenaw | C | 6.1 ft | 28.2 µg/L | - |
| 12 | Hidden Lake | Keweenaw | C | 2.5 ft | 27.5 µg/L | - |