Cleanest Lakes in Dickinson County, Iowa
West Okoboji Lake in Dickinson County leads the rankings with a water quality grade of A and 15.7 ft of clarity. Below are the top 17 cleanest monitored lakes in Dickinson County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | West Okoboji Lake | Dickinson | A | 15.7 ft | 20 µg/L | 2.3 µg/L |
| 2 | Lake Minnewashta | Dickinson | C | 2.8 ft | 47 µg/L | 19 µg/L |
| 3 | Upper Gar Lake | Dickinson | C | 3.9 ft | 52.5 µg/L | 13.1 µg/L |
| 4 | Big Spirit Lake | Dickinson | C | 5.5 ft | 55 µg/L | 16.3 µg/L |
| 5 | Lower Gar Lake | Dickinson | D | 2.6 ft | 71.5 µg/L | 20.7 µg/L |
| 6 | East Okoboji Lake | Dickinson | D | 3.9 ft | 56 µg/L | 25.3 µg/L |
| 7 | Silver Lake Max Depth | Dickinson | F | 2.7 ft | 186 µg/L | 38.3 µg/L |
| 8 | Center Lake | Dickinson | F | 2.3 ft | 60 µg/L | 39.6 µg/L |
| 9 | Lily Lake | Dickinson | NR | - | - | - |
| 10 | Pleasant Lake | Dickinson | NR | - | - | - |
| 11 | Prairie Lake | Dickinson | NR | - | - | - |
| 12 | East Hottes Lake | Dickinson | NR | - | - | - |
| 13 | Marble Lake | Dickinson | NR | - | - | - |
| 14 | West Hottes Lake | Dickinson | NR | - | - | - |
| 15 | Diamond Lake | Dickinson | NR | - | - | - |
| 16 | Welsh Lake | Dickinson | NR | - | - | - |
| 17 | Swan Lake | Dickinson | NR | - | - | - |
More Answers for Dickinson County, Iowa
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