Cleanest Lakes in Walworth County, South Dakota
Swan Lake in Walworth County leads the rankings with a water quality grade of NR. Below are the top 4 cleanest monitored lakes in Walworth County, South Dakota, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Swan Lake | Walworth | NR | - | - | - |
| 2 | Molstad Lake | Walworth | NR | - | - | - |
| 3 | Spring Lake | Walworth | NR | - | - | - |
| 4 | Horseshoe Lake | Walworth | NR | - | - | - |
More Answers for Walworth County, South Dakota
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