Swain County Lake Quality
North Carolina, 1 lakes, average grade A (Excellent)
Only 1 lakes in Swain 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, Swain 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 Fontana Lake (A); the most-stressed is Fontana Lake (A).
Quick Answers for Swain County
Planning a trip? Check special fishing regulations for Fontana Lake — or check the official North Carolina fishing regulations.
All Lakes in Swain County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Fontana Lake | A | 13.6 ft | - |
Other Counties in North Carolina
See how Swain County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 12 states.
Where to stay near Swain County
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Source: EPA National Aquatic Resource Surveys, 2026.