Cleanest Lakes in Linn County, Iowa
Pleasant Creek Lake in Linn County leads the rankings with a water quality grade of D and 3.6 ft of clarity. Below are the top 4 cleanest monitored lakes in Linn County, Iowa, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Pleasant Creek Lake | Linn | D | 3.6 ft | 38 µg/L | 26.5 µg/L |
| 2 | Cedar Lake | Linn | F | 0.9 ft | 256.5 µg/L | 125.4 µg/L |
| 3 | Big Lewis Lake | Linn | NR | - | - | - |
| 4 | Little Lewis Lake | Linn | NR | - | - | - |
More Answers for Linn County, Iowa
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