Morrill County Lake Quality
Nebraska, 2 lakes, average grade A (Excellent)
Morrill County has 2 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's average grade is A — among the cleanest in {{stateName}}. 2 lakes pull an A on their own, and almost none fall into the D or F brackets.
The county's lakes lean shallow, which makes the grades sensitive to wind, sediment-resuspension, and any nutrient inputs from the watershed. The cleanest lake on the books is Bridgeport Middle Lake (A); the most-stressed is Nla Lake (A).
Quick Answers for Morrill County
Planning a trip? Check special fishing regulations for Bridgeport Middle Lake — or check the official Nebraska fishing regulations.
All Lakes in Morrill County
| Rank | Lake | Grade | Clarity | Phosphorus |
|---|---|---|---|---|
| 1 | Bridgeport Middle Lake | A | 18.9 ft | - |
| 2 | Nla Lake | A | - | 21.2 µg/L |
Other Counties in Nebraska
See how Morrill 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 Morrill County
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Source: EPA National Aquatic Resource Surveys, 2026.