Sevier County Lake Quality
Tennessee, 1 lakes, average grade C (Fair)
Only 1 lakes in Sevier 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. 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 French Broad River Lake (C); the most-stressed is French Broad River Lake (C).
Quick Answers for Sevier County
Planning a trip? Check special fishing regulations for French Broad River Lake — or check the official Tennessee fishing regulations.
All Lakes in Sevier County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | French Broad River Lake | C | - | 51.3 µg/L |
Other Counties in Tennessee
See how Sevier 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 Sevier County
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Source: EPA National Aquatic Resource Surveys, 2026.