Cleanest Lakes in Fremont County, Wyoming
Worthen Meadows Reservoir in Fremont County leads the rankings with a water quality grade of A and 15.9 ft of clarity. Below are the top 18 cleanest monitored lakes in Fremont County, Wyoming, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Worthen Meadows Reservoir | Fremont | A | 15.9 ft | 10 µg/L | - |
| 2 | Lake Cameahwait | Fremont | B | 11.6 ft | 20 µg/L | - |
| 3 | Boysen Reservoir | Fremont | B | 11.5 ft | 20 µg/L | - |
| 4 | Boysen Reservoir Transitional Embayment | Fremont | B | 11 ft | 20 µg/L | - |
| 5 | Nla Lake | Fremont | B | 19.6 ft | 14000 µg/L | 2.6 µg/L |
| 6 | Boysen Reservoir | Fremont | B | 12.4 ft | 30 µg/L | - |
| 7 | Boysen Reservoir | Fremont | C | 8.1 ft | 40 µg/L | - |
| 8 | Brooks Lake | Fremont | C | 6.7 ft | 30 µg/L | - |
| 9 | Boysen Reservoir | Fremont | C | 9.2 ft | 30 µg/L | - |
| 10 | Nla Lake | Fremont | C | - | 102.7 µg/L | 9 µg/L |
| 11 | Ocean Lake | Fremont | C | 2.2 ft | 25 µg/L | - |
| 12 | Brooks Lake | Fremont | C | 6.3 ft | 50 µg/L | - |
| 13 | Boysen Reservoir | Fremont | C | 4.5 ft | 40 µg/L | - |
| 14 | Boysen Reservoir | Fremont | D | 2.5 ft | 35 µg/L | - |
| 15 | Brooks Lake | Fremont | D | 6.7 ft | 90 µg/L | - |
| 16 | Brooks Lake | Fremont | D | 6.2 ft | 80 µg/L | - |
| 17 | Nla Lake | Fremont | D | 0.5 ft | 792.6 µg/L | 10.8 µg/L |
| 18 | Brooks Lake | Fremont | D | 6 ft | 90 µg/L | - |