Cherokee County Lake Quality
Iowa, 1 lakes, average grade D (Poor)
Only 1 lakes in Cherokee County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. On average, Cherokee County lakes grade D, with phosphorus loading and reduced clarity showing up across most of the dataset.
Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Spring Lake (D) is the cleanest in the county.
Quick Answers for Cherokee County
Planning a trip? Check special fishing regulations for Spring Lake — or check the official Iowa fishing regulations.
All Lakes in Cherokee County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Spring Lake | D | 2.5 ft | - |
Other Counties in Iowa
See how Cherokee County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 15 states.
Where to stay near Cherokee County
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Source: EPA National Aquatic Resource Surveys, 2026.