Hitchcock County Lake Quality
Nebraska, 1 lakes, average grade C (Fair)
Hitchcock 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. Hitchcock 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. Swanson Reservoir (C) is the cleanest in the county.
Quick Answers for Hitchcock County
Planning a trip? Check special fishing regulations for Swanson Reservoir — or check the official Nebraska fishing regulations.
All Lakes in Hitchcock County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Swanson Reservoir | C | 2.6 ft | 90 µg/L |
Other Counties in Nebraska
See how Hitchcock 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 Hitchcock County
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Source: EPA National Aquatic Resource Surveys, 2026.