Antelope County Lake Quality
Nebraska, 1 lakes, average grade D (Poor)
Antelope County has 1 graded lakes — a thin enough sample that one or two stressed lakes can move the county average noticeably. Use the per-lake pages below for what actually matters. The county-wide average grade is D — water quality issues are persistent across most of the monitored basins. 0 lakes fall into the F bracket outright.
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. Grove Lake (D) is the cleanest in the county.
Quick Answers for Antelope County
Planning a trip? Check special fishing regulations for Grove Lake — or check the official Nebraska fishing regulations.
All Lakes in Antelope County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Grove Lake | D | 2.1 ft | 91.3 µg/L |
Other Counties in Nebraska
See how Antelope 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 Antelope County
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Source: EPA National Aquatic Resource Surveys, 2026.