Neosho County Lake Quality
Kansas, 4 lakes, average grade D (Poor)
Neosho County has 4 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-wide average grade is D — water quality issues are persistent across most of the monitored basins. 0 lakes fall into the F bracket outright.
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 Neosho Wildlife Area Lake (D); the most-stressed is Chanute Santa Fe Lake (D).
Quick Answers for Neosho County
Planning a trip? Check special fishing regulations for Neosho Wildlife Area Lake — or check the official Kansas fishing regulations.
All Lakes in Neosho County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Neosho Wildlife Area Lake | D | 1.7 ft | 95.1 µg/L |
| 2 | Parsons Lake | D | 2 ft | 135 µg/L |
| 3 | Chanute Santa Fe Lake | D | 1.8 ft | 80.1 µg/L |
| 4 | Neosho Co State Fishing Lake | D | 2 ft | 89 µg/L |
Other Counties in Kansas
See how Neosho 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 Neosho County
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Source: EPA National Aquatic Resource Surveys, 2026.