Cleanest Lakes in Mille Lacs County, Minnesota
Outlet of Onamia Lake on the Rum River in Mille Lacs County leads the rankings with a water quality grade of A. Below are the top 9 cleanest monitored lakes in Mille Lacs County, Minnesota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Outlet of Onamia Lake on the Rum River | Mille Lacs | A | - | 25 µg/L | 0.6 µg/L |
| 2 | Outlet of Ogechie Lake on the Rum River | Mille Lacs | A | - | 24 µg/L | 0.3 µg/L |
| 3 | Ml Lake | Mille Lacs | B | 7.4 ft | 25.5 µg/L | 4.9 µg/L |
| 4 | Ml Lake | Mille Lacs | B | 7.8 ft | 25.5 µg/L | 4.1 µg/L |
| 5 | Ml-Peterson Lake | Mille Lacs | B | 7.4 ft | 26.5 µg/L | 3.9 µg/L |
| 6 | Ml-Thains Lake | Mille Lacs | B | 5.3 ft | 26 µg/L | 3.5 µg/L |
| 7 | Ml-Se Lake | Mille Lacs | B | 7.4 ft | 26.5 µg/L | 5.6 µg/L |
| 8 | Ml-Vineland Lake | Mille Lacs | B | 7.8 ft | 23 µg/L | 5.1 µg/L |
| 9 | Ml-Malone Lake | Mille Lacs | B | 5.7 ft | 24 µg/L | 4.4 µg/L |