Thurston County Lake Quality
Nebraska, 1 lakes, average grade (Not rated)
Only 1 lakes in Thurston 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.
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. Kelly Pond (—) is the cleanest in the county.
Quick Answers for Thurston County
Planning a trip? Check special fishing regulations for Kelly Pond — or check the official Nebraska fishing regulations.
All Lakes in Thurston County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Kelly Pond | - | 100 µg/L |
Other Counties in Nebraska
See how Thurston County stacks up in the national county water-quality rankings, or browse the full directory of graded lakes across all 36 states and 2 Canadian provinces.
Where to stay near Thurston County
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Source: EPA National Aquatic Resource Surveys, 2026.