Cleanest Lakes in Nobles County, Minnesota
West Graham Lake in Nobles County leads the rankings with a water quality grade of D and 4.1 ft of clarity. Below are the top 6 cleanest monitored lakes in Nobles County, Minnesota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | West Graham Lake | Nobles | D | 4.1 ft | 208 µg/L | - |
| 2 | Indian Lake | Nobles | F | 2.5 ft | 201.5 µg/L | - |
| 3 | Okabena Lake | Nobles | F | 3.3 ft | 166.5 µg/L | - |
| 4 | Ocheda Lake | Nobles | F | 1.6 ft | 265 µg/L | - |
| 5 | Bella Lake | Nobles | F | 1 ft | 635 µg/L | - |
| 6 | East Graham Lake | Nobles | F | 3.3 ft | 189 µg/L | - |