Cleanest Lakes in Custer County, Idaho
Nla Lake in Custer County leads the rankings with a water quality grade of A. Below are the top 2 cleanest monitored lakes in Custer County, Idaho, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Custer | A | - | 17.7 µg/L | 1 µg/L |
| 2 | Nla Lake | Custer | B | 38.1 ft | 9000 µg/L | 0.2 µg/L |