Cleanest Lakes in Crook County, Wyoming
Keyhole Reservoir in Crook County leads the rankings with a water quality grade of B and 10.6 ft of clarity. Below are the top 3 cleanest monitored lakes in Crook County, Wyoming, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Keyhole Reservoir | Crook | B | 10.6 ft | 20 µg/L | - |
| 2 | Keyhole Reservoir | Crook | B | 7.7 ft | 20 µg/L | - |
| 3 | Keyhole Reservoir | Crook | D | 2.5 ft | 40 µg/L | - |