Cleanest Lakes in Douglas County, Washington
Nla Lake in Douglas County leads the rankings with a water quality grade of B and 13 ft of clarity. Below are the top 1 cleanest monitored lakes in Douglas County, Washington, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Douglas | B | 13 ft | 55.9 µg/L | 4.4 µg/L |