Wilson County Lake Quality
Kansas, 1 lakes, average grade B (Good)
Wilson County has 1 graded lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. With an average grade of B, Wilson County sits comfortably above the {{stateName}} median.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Wilson Co State Fishing Lake (B); the most-stressed is Wilson Co State Fishing Lake (B).
Quick Answers for Wilson County
Planning a trip? Check special fishing regulations for Wilson Co State Fishing Lake — or check the official Kansas fishing regulations.
All Lakes in Wilson County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Wilson Co State Fishing Lake | B | 3.6 ft | 12.5 µg/L |
Other Counties in Kansas
See how Wilson County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 34 states.
Where to stay near Wilson County
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Source: EPA National Aquatic Resource Surveys, 2026.