Cleanest Lakes in Sheridan County, Montana
Nla Lake in Sheridan County leads the rankings with a water quality grade of C. Below are the top 3 cleanest monitored lakes in Sheridan County, Montana, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Sheridan | C | - | 355000 µg/L | 3.2 µg/L |
| 2 | Nla Lake | Sheridan | D | 1.9 ft | 108.7 µg/L | 8 µg/L |
| 3 | Nla Lake | Sheridan | F | 0.6 ft | 3436000 µg/L | 43 µg/L |