Upper Big Nemaha J-12a

Johnson County, Nebraska (near STERLING)

River/Stream: TR N FK BIG NEMAHA RIVER

Low Hazard

Failure would cause minimal damage

Key Facts

Dam Type
Earth
Height
28 ft
Dam Length
570 ft
Reservoir Storage
147 acre-ft
Year Completed
1973
Primary Purpose
Other
Owner Type
Local Government
Max Discharge
787 cfs

Condition Assessment

SatisfactoryLast inspected: 2023-05-24

Hazard Classification: Low — This describes the potential consequences of dam failure, not the likelihood of failure.

Condition Assessment: Satisfactory — This describes the current physical condition of the dam based on the most recent inspection.

Location

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Quick Stats

NID ID
NE00640
State
Nebraska (NE)
Coordinates
40.50963, -96.41752
Age
53 years

Nearby Dams

External Resources

Data sourced from the National Inventory of Dams (NID). Information may not reflect the most current status of this dam. Hazard classification reflects potential consequences of failure, not the likelihood of failure or the current condition.