Cleanest Lakes in Yakima County, Washington
Rimrock Reservoir in Yakima County leads the rankings with a water quality grade of A. Below are the top 2 cleanest monitored lakes in Yakima County, Washington, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Rimrock Reservoir | Yakima | A | - | 15 µg/L | 1.8 µg/L |
| 2 | Nla Lake | Yakima | C | 9.4 ft | 34.8 µg/L | 7.8 µg/L |