Cleanest Lakes in Natrona County, Wyoming
Pathfinder Reservoir Lacustrine Pelagic in Natrona County leads the rankings with a water quality grade of B and 10.7 ft of clarity. Below are the top 14 cleanest monitored lakes in Natrona County, Wyoming, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Pathfinder Reservoir Lacustrine Pelagic | Natrona | B | 10.7 ft | 20 µg/L | - |
| 2 | Alcova Reservoir Transitional Pelagic | Natrona | B | 11.3 ft | 20 µg/L | - |
| 3 | Pathfinder Reservoir Transitional Pelagic | Natrona | B | 11.1 ft | 20 µg/L | - |
| 4 | Alcova Reservoir Lacustrine Pelagic | Natrona | B | 12.8 ft | 20 µg/L | - |
| 5 | Pathfinder Reservoir Transitional Littoral | Natrona | B | 7.7 ft | 15 µg/L | - |
| 6 | Alcova Reservoir Transitional Littoral | Natrona | B | 5.2 ft | 15 µg/L | - |
| 7 | Pathfinder Reservoir Lacustrine Littoral | Natrona | B | 7.8 ft | 20 µg/L | - |
| 8 | Alcova Reservoir Lacustrine Littoral | Natrona | B | 4.3 ft | 15 µg/L | - |
| 9 | Nla Lake | Natrona | C | 8.2 ft | 44000 µg/L | 4.8 µg/L |
| 10 | Pathfinder Reservoir Riverine Pelagic | Natrona | C | 4.4 ft | 25 µg/L | - |
| 11 | Nla Lake | Natrona | C | 5.1 ft | 42.1 µg/L | 19.3 µg/L |
| 12 | Alcova Reservoir Riverine Littoral | Natrona | C | 3.4 ft | 35 µg/L | - |
| 13 | Alcova Reservoir Riverine Pelagic | Natrona | C | 5.8 ft | 30 µg/L | - |
| 14 | Pathfinder Reservoir Riverine Littoral | Natrona | C | 3.7 ft | 30 µg/L | - |