Cleanest Lakes in Washoe County, Nevada
Boulder Reservoir in Washoe County leads the rankings with a water quality grade of B. Below are the top 11 cleanest monitored lakes in Washoe County, Nevada, ranked by EPA water quality score.
Ranked List
| # | Lake | County | Grade | Clarity | Phosphorus | Algae |
|---|---|---|---|---|---|---|
| 1 | Boulder Reservoir | Washoe | B | - | 50 µg/L | - |
| 2 | Nla Lake | Washoe | B | - | 70.4 µg/L | 2.3 µg/L |
| 3 | Squaw Creek Reservoir | Washoe | B | - | 60 µg/L | - |
| 4 | Nla Lake | Washoe | C | 10.7 ft | 41534 µg/L | 0.9 µg/L |
| 5 | Sparks Marina Lake | Washoe | C | - | 190 µg/L | 2.1 µg/L |
| 6 | Wall Canyon Reservoir | Washoe | C | - | 120 µg/L | - |
| 7 | Catnip Reservoir | Washoe | C | - | 100 µg/L | - |
| 8 | Nla Lake | Washoe | C | - | 137000 µg/L | 5.4 µg/L |
| 9 | Sparks Marina West Side Lake | Washoe | C | - | 165 µg/L | 5.3 µg/L |
| 10 | Nla Lake | Washoe | D | 1 ft | 230000 µg/L | 9.7 µg/L |
| 11 | Sparks Marina Cove Lake | Washoe | D | - | 140 µg/L | 11.8 µg/L |