Cleanest Lakes in Polk County, Tennessee
Nla Lake in Polk County leads the rankings with a water quality grade of A and 5.4 ft of clarity. Below are the top 2 cleanest monitored lakes in Polk County, Tennessee, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Polk | A | 5.4 ft | 15.2 µg/L | 1.3 µg/L |
| 2 | Nla Lake | Polk | C | 16.4 ft | 21000 µg/L | 2.4 µg/L |