Pershing County Lake Quality
Nevada, 4 lakes, average grade C (Fair)
Only 4 lakes in Pershing County carry an active grade. The county-level summary is therefore representative of those specific lakes, not necessarily of every water body in the county. Pershing County averages to a C. The distribution behind that average matters more than the letter: a few stressed lakes versus many decent ones can produce the same average as the inverse.
Most of the county's monitored lakes are shallow — under 50 feet — which means wind keeps the water column mixed all summer and sediment-bound phosphorus releases back into the surface layer whenever the bottom is disturbed. Rye Patch Reservoir (C) is the cleanest in the county.
Quick Answers for Pershing County
Planning a trip? Check special fishing regulations for Rye Patch Reservoir — or check the official Nevada fishing regulations.
All Lakes in Pershing County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Rye Patch Reservoir | C | - | 120 µg/L |
| 2 | Nla Lake | C | 2.3 ft | 62578.6 µg/L |
| 3 | Rye Patch Reservoir North | C | - | 100 µg/L |
Other Counties in Nevada
See how Pershing County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 34 states.
Where to stay near Pershing County
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Source: EPA National Aquatic Resource Surveys, 2026.