Cleanest Lakes in Grays Harbor County, Washington
Nla Upper Lake in Grays Harbor County leads the rankings with a water quality grade of A. Below are the top 3 cleanest monitored lakes in Grays Harbor County, Washington, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Upper Lake | Grays Harbor | A | - | 12.4 µg/L | 0.9 µg/L |
| 2 | Nla Lower Lake | Grays Harbor | B | - | 38.9 µg/L | 0.4 µg/L |
| 3 | Nla Lake | Grays Harbor | C | 10.6 ft | 36011.4 µg/L | 4 µg/L |