Knott County Lake Quality
Kentucky, 1 lakes, average grade A (Excellent)
Only 1 lakes in Knott County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. On average, Knott County lakes grade an A. That puts it near the top of the {{stateName}} county ranking.
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 Carr Fork Lake (A); the most-stressed is Carr Fork Lake (A).
Quick Answers for Knott County
Planning a trip? Check special fishing regulations for Carr Fork Lake — or check the official Kentucky fishing regulations.
All Lakes in Knott County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Carr Fork Lake | A | - | 10.3 µg/L |
Other Counties in Kentucky
See how Knott County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 34 states.
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Source: EPA National Aquatic Resource Surveys, 2026.