Cleanest Lakes in Humboldt County, Nevada
Onion Valley Reservoir @ Dam in Humboldt County leads the rankings with a water quality grade of B. Below are the top 9 cleanest monitored lakes in Humboldt County, Nevada, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Onion Valley Reservoir @ Dam | Humboldt | B | - | 50 µg/L | 0.6 µg/L |
| 2 | Bilk Creek Reservoir | Humboldt | C | - | 160 µg/L | - |
| 3 | Nla Lake | Humboldt | C | 10.8 ft | 88000 µg/L | 3.5 µg/L |
| 4 | Nla Lake | Humboldt | C | 0.7 ft | 501000 µg/L | 6.8 µg/L |
| 5 | Chimney Reservoir West Lobe | Humboldt | C | - | 490 µg/L | 5.2 µg/L |
| 6 | Nla Lake | Humboldt | D | 4.6 ft | 137000 µg/L | 7.6 µg/L |
| 7 | Chimney Reservoir West Lobe North | Humboldt | D | - | 480 µg/L | 13 µg/L |
| 8 | Chimney Reservoir East Lobe | Humboldt | D | - | 590 µg/L | 16 µg/L |
| 9 | Knott Creek Reservoir | Humboldt | D | - | 145 µg/L | 32.5 µg/L |