Cleanest Lakes in Lewis County, Washington
Nla Lake in Lewis County leads the rankings with a water quality grade of C. Below are the top 2 cleanest monitored lakes in Lewis County, Washington, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Lewis | C | - | 34000 µg/L | 1.5 µg/L |
| 2 | Nla Lake | Lewis | F | 6.3 ft | 26514.3 µg/L | 36.6 µg/L |