Coffey County Lake Quality
Kansas, 3 lakes, average grade C (Fair)
Coffey County has 3 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. The county average is C — the middle of the rubric, with one or two lakes pulling the average up or down depending on year.
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 Wolf Creek Lake (B); the most-stressed is John Redmond Lake (D).
Quick Answers for Coffey County
Planning a trip? Check special fishing regulations for Wolf Creek Lake — or check the official Kansas fishing regulations.
All Lakes in Coffey County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Wolf Creek Lake | B | 4.6 ft | - |
| 2 | Gridley City Lake | C | 1.8 ft | 47.5 µg/L |
| 3 | John Redmond Lake | D | 1.5 ft | 290 µg/L |
Other Counties in Kansas
See how Coffey 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 Coffey County
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Source: EPA National Aquatic Resource Surveys, 2026.