Geary County Lake Quality
Kansas, 2 lakes, average grade D (Poor)
Geary County has 2 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. 1 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 Geary Co State Fishing Lake (B); the most-stressed is Gathering Pond East (F).
Quick Answers for Geary County
Planning a trip? Check special fishing regulations for Geary Co State Fishing Lake — or check the official Kansas fishing regulations.
All Lakes in Geary County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Geary Co State Fishing Lake | B | 4.3 ft | 15.5 µg/L |
| 2 | Gathering Pond East | F | 1 ft | 440 µg/L |
Other Counties in Kansas
See how Geary 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 Geary County
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Source: EPA National Aquatic Resource Surveys, 2026.