Calloway County Lake Quality
Kentucky, 2 lakes, average grade C (Fair)
Calloway 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 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 Kentucky Lake (C); the most-stressed is Kentucky Lake (C).
Quick Answers for Calloway County
Planning a trip? Check special fishing regulations for Kentucky Lake — or check the official Kentucky fishing regulations.
All Lakes in Calloway County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Kentucky Lake | C | - | 36 µg/L |
| 2 | Kentucky Lake | C | - | 42 µg/L |
Other Counties in Kentucky
See how Calloway 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 Calloway County
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Source: EPA National Aquatic Resource Surveys, 2026.