Linnaus Dam Reservoir Report
Last Updated: December 13, 2025
Linnaus Dam, located in Nebraska along the TR-Cedar Creek, is a private earth dam designed by the USDA NRCS and completed in 1977.
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Summary
With a height of 27 feet and a hydraulic height of 24 feet, the dam serves primarily for flood risk reduction and other purposes. It has a storage capacity of 53 acre-feet and covers a surface area of 2 acres, with a drainage area of 0.3 square miles.
Despite its low hazard potential, Linnaus Dam is currently in poor condition, as assessed in October 2019. The dam is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections. Situated in Antelope County, the dam serves as a vital infrastructure for managing water resources in the area, with a maximum discharge capacity of 222 cubic feet per second.
Although facing maintenance challenges, Linnaus Dam remains a crucial structure for water resource management in the region. With its stone core design and soil foundation, the dam plays a significant role in mitigating flood risks and ensuring water security for the surrounding communities. Enhancing its condition and implementing risk management measures will be essential to sustain its functionality and safeguard the local environment against potential hazards.
Year Completed |
1977 |
Dam Length |
180 |
Dam Height |
27 |
River Or Stream |
TR-CEDAR CREEK |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
24 |
Drainage Area |
0.3 |
Nid Storage |
53 |
Structural Height |
27 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
27 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Elkhorn River At Ewing
|
89cfs |
North Fork Elkhorn River Near Pierce
|
86cfs |
Elkhorn R At Norfolk Ne
|
440cfs |
Beaver Creek At Genoa
|
114cfs |
Loup River Power Canal Near Genoa
|
2080cfs |
Loup River Near Genoa
|
1320cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Linnaus Dam