Cleanest Lakes in Watonwan County, Minnesota
St James Lake in Watonwan County leads the rankings with a water quality grade of C and 3 ft of clarity. Below are the top 13 cleanest monitored lakes in Watonwan County, Minnesota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | St James Lake | Watonwan | C | 3 ft | 51.5 µg/L | 16.3 µg/L |
| 2 | Fedji Lake | Watonwan | C | 3.3 ft | 45 µg/L | 7.8 µg/L |
| 3 | Long Lake | Watonwan | D | 2.5 ft | 58 µg/L | 14.6 µg/L |
| 4 | Kansas Lake | Watonwan | D | 1.5 ft | 192 µg/L | 25.8 µg/L |
| 5 | Bullhead Lake | Watonwan | NR | - | - | - |
| 6 | Mary Lake | Watonwan | NR | - | - | - |
| 7 | Butterfield Lake | Watonwan | NR | - | - | - |
| 8 | Sulem Lake | Watonwan | NR | - | - | - |
| 9 | Irish Lake | Watonwan | NR | - | - | - |
| 10 | School Lake | Watonwan | NR | - | - | - |
| 11 | Wood Lake | Watonwan | NR | - | - | - |
| 12 | Case Lake | Watonwan | NR | - | - | - |
| 13 | Wilson Lake | Watonwan | NR | - | - | - |
More Answers for Watonwan County, Minnesota
Get Watonwan County, Minnesota water-quality updates
New grades and algae readings can change this ranking. Unsubscribe anytime.