Cleanest Lakes in Valley County, Montana
Nla Lake in Valley County leads the rankings with a water quality grade of B and 7.1 ft of clarity. Below are the top 3 cleanest monitored lakes in Valley County, Montana, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Valley | B | 7.1 ft | 26.3 µg/L | 5.4 µg/L |
| 2 | Nla Lake | Valley | D | 2.1 ft | 46000 µg/L | 2.9 µg/L |
| 3 | Nla Lake | Valley | F | 1 ft | 336.5 µg/L | 137 µg/L |