Cleanest Lakes in Big Horn County, Wyoming
Bighorn Lake in Big Horn County leads the rankings with a water quality grade of C. Below are the top 2 cleanest monitored lakes in Big Horn County, Wyoming, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Bighorn Lake | Big Horn | C | - | 64.5 µg/L | 18.6 µg/L |
| 2 | Horseshoe Reservoir | Big Horn | F | 1.8 ft | 140 µg/L | - |