Cleanest Lakes in Nevada
Nla Lake in Elko County leads the rankings with a water quality grade of A and 16.1 ft of clarity. Below are the top 50 cleanest monitored lakes in Nevada, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Nla Lake | Elko | A | 16.1 ft | 3.2 µg/L | 0.7 µg/L |
| 2 | Nla Lake | White Pine | A | - | 14.1 µg/L | 1 µg/L |
| 3 | Nla Lake | Nye | A | 6.6 ft | 23.2 µg/L | 0.8 µg/L |
| 4 | Nla Lake | Clark | B | 0.9 ft | 44.1 µg/L | 1.6 µg/L |
| 5 | Nla Lake | Clark | B | 4.8 ft | 20.4 µg/L | 3.3 µg/L |
| 6 | Boulder Reservoir | Washoe | B | - | 50 µg/L | - |
| 7 | Onion Valley Reservoir @ Dam | Humboldt | B | - | 50 µg/L | 0.6 µg/L |
| 8 | Illipah Reservoir | White Pine | B | - | 30 µg/L | 1.1 µg/L |
| 9 | Comins Reservoir | White Pine | B | - | 30 µg/L | 1.4 µg/L |
| 10 | Nla Lake | Washoe | B | - | 70.4 µg/L | 2.3 µg/L |
| 11 | Squaw Creek Reservoir | Washoe | B | - | 60 µg/L | - |
| 12 | Nla Lake | Lincoln | C | 4 ft | 69018.5 µg/L | 2.5 µg/L |
| 13 | Nla Lake | Washoe | C | 10.7 ft | 41534 µg/L | 0.9 µg/L |
| 14 | Nla Lake | Elko | C | 12.4 ft | 6008.6 µg/L | 1.9 µg/L |
| 15 | Nla Lake | Douglas | C | 7.3 ft | 21000 µg/L | 1.6 µg/L |
| 16 | Nla Lake | Mineral | C | 31.5 ft | 700.5 µg/L | 0.6 µg/L |
| 17 | Nla Lake | Lander | C | 6.4 ft | 25.6 µg/L | 7.2 µg/L |
| 18 | Nla Lake | Elko | C | 12.8 ft | 112.6 µg/L | 2.1 µg/L |
| 19 | Nla Lake | Elko | C | - | 150000 µg/L | 1.5 µg/L |
| 20 | Sheep Creek Lake | Elko | C | 6.2 ft | 83 µg/L | 4.2 µg/L |
| 21 | Lahontan Reservoir Narrows Outlet | Churchill | C | - | 250 µg/L | 2.7 µg/L |
| 22 | Rye Patch Reservoir | Pershing | C | - | 120 µg/L | 2.7 µg/L |
| 23 | Lahontan Reservoir | Churchill | C | - | 190 µg/L | 2.7 µg/L |
| 24 | Billy Shaw Lake | Elko | C | - | 34 µg/L | 16.1 µg/L |
| 25 | Sparks Marina Lake | Washoe | C | - | 190 µg/L | 2.1 µg/L |
| 26 | Bilk Creek Reservoir | Humboldt | C | - | 160 µg/L | - |
| 27 | Wall Canyon Reservoir | Washoe | C | - | 120 µg/L | - |
| 28 | Catnip Reservoir | Washoe | C | - | 100 µg/L | - |
| 29 | Echo Canyon Reservoir | Lincoln | C | - | 100 µg/L | 1.1 µg/L |
| 30 | Nla Lake | Humboldt | C | 10.8 ft | 88000 µg/L | 3.5 µg/L |
| 31 | Nla Lake | Churchill | C | 1.4 ft | 173000 µg/L | 5.4 µg/L |
| 32 | Nla Lake | Humboldt | C | 0.7 ft | 501000 µg/L | 6.8 µg/L |
| 33 | Nla Lake | Elko | C | 9.4 ft | 123061.6 µg/L | 4.3 µg/L |
| 34 | Nla Lake | Pershing | C | 2.3 ft | 62578.6 µg/L | 3.6 µg/L |
| 35 | Nla Lake | Washoe | C | - | 137000 µg/L | 5.4 µg/L |
| 36 | Lahontan Reservoir | Churchill | C | - | 170 µg/L | 4.5 µg/L |
| 37 | Rye Patch Reservoir North | Pershing | C | - | 100 µg/L | 4 µg/L |
| 38 | Chimney Reservoir West Lobe | Humboldt | C | - | 490 µg/L | 5.2 µg/L |
| 39 | Lahontan Reservoir East of Silver Springs Beach | Lyon | C | - | 250 µg/L | 5.8 µg/L |
| 40 | Sparks Marina West Side Lake | Washoe | C | - | 165 µg/L | 5.3 µg/L |
| 41 | Wildhorse Res North Arm Lake | Elko | C | - | 304 µg/L | 6.7 µg/L |
| 42 | Eagle Valley Reservoir | Lincoln | C | - | 200 µg/L | 4 µg/L |
| 43 | Walker Lake | Mineral | D | 4.7 ft | 660 µg/L | 13.4 µg/L |
| 44 | Nla Lake | Humboldt | D | 4.6 ft | 137000 µg/L | 7.6 µg/L |
| 45 | Nla Lake | Washoe | D | 1 ft | 230000 µg/L | 9.7 µg/L |
| 46 | Nla Lake | Elko | D | 7.2 ft | 43000 µg/L | 12.9 µg/L |
| 47 | Wildhorse Res North Basin Lake | Elko | D | 9.8 ft | 88 µg/L | 20.2 µg/L |
| 48 | Lahontan Reservoir Narrows Inlet | Lyon | D | - | 380 µg/L | 7.1 µg/L |
| 49 | Lahontan Reservoir Fishermans Point | Lyon | D | - | 360 µg/L | 9.8 µg/L |
| 50 | Lahontan Reservoir | Lyon | D | - | 290 µg/L | 8.9 µg/L |