Cleanest Lakes in Pierce County, Washington
Nla Lake in Pierce County leads the rankings with a water quality grade of A. Below are the top 3 cleanest monitored lakes in Pierce County, Washington, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Pierce | A | - | 19.6 µg/L | 0.3 µg/L |
| 2 | Nla Lake | Pierce | B | 16.4 ft | 4504.1 µg/L | 1.8 µg/L |
| 3 | Nla Lake | Pierce | C | 10.9 ft | 11510.7 µg/L | 3.6 µg/L |