Blount County Lake Quality
Tennessee, 1 lakes, average grade A (Excellent)
Only 1 lakes in Blount 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, Blount County lakes grade an A. That puts it near the top of the {{stateName}} county ranking.
Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Calderwood Lake (A) is the cleanest in the county.
Quick Answers for Blount County
Planning a trip? Check special fishing regulations for Calderwood Lake — or check the official Tennessee fishing regulations.
All Lakes in Blount County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Calderwood Lake | A | 16.4 ft | - |
Other Counties in Tennessee
See how Blount 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 Blount County
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Source: EPA National Aquatic Resource Surveys, 2026.