
Cleanest Lakes in Hancock County, Iowa
Crystal Lake Max Depth in Hancock County leads the rankings on measured clarity and nutrients and 1.6 ft of clarity. Below are the top 6 cleanest monitored lakes in Hancock County, Iowa, ranked on EPA nutrient and algae measurements.
Ranked List
| # | Lake | County | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|
| 1 | Crystal Lake Max Depth | Hancock | 1.6 ft | 99 µg/L | 50.3 µg/L |
| 2 | Eldred Sherwood Lake | Hancock | 3 ft | 89 µg/L | 31.3 µg/L |
| 3 | Lake George | Hancock | - | - | - |
| 4 | Eagle Lake | Hancock | - | - | - |
| 5 | East Twin Lake | Hancock | - | - | - |
| 6 | West Twin Lake | Hancock | - | - | - |
More Answers for Hancock County, Iowa
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