Cleanest Lakes in Granite County, Montana
Nla Lake in Granite County leads the rankings with a water quality grade of A and 28.4 ft of clarity. Below are the top 1 cleanest monitored lakes in Granite County, Montana, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Granite | A | 28.4 ft | 6.4 µg/L | 0.8 µg/L |