Cleanest Lakes in Kootenai County, Idaho
Nla Lake in Kootenai County leads the rankings with a water quality grade of A and 19.2 ft of clarity. Below are the top 6 cleanest monitored lakes in Kootenai County, Idaho, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Kootenai | A | 19.2 ft | 16 µg/L | 2.1 µg/L |
| 2 | Usgs Lake | Kootenai | A | - | 4 µg/L | 1.6 µg/L |
| 3 | Ideq Lake | Kootenai | A | - | 5 µg/L | 1.3 µg/L |
| 4 | Ideq Lake | Kootenai | A | - | 4 µg/L | 1 µg/L |
| 5 | Ideq Lake | Kootenai | A | - | 3.5 µg/L | 1 µg/L |
| 6 | Nla Lake | Kootenai | C | 6.9 ft | 11013.5 µg/L | 3.5 µg/L |