Wilson Creek 12-6 Reservoir Report
Nearby: Wilson Creek 12-3 Wilson Creek 12-11
Last Updated: December 6, 2025
Wilson Creek 12-6 is a vital water resource structure located in Otoe, Nebraska, managed by the local government with oversight from the Nebraska Department of Natural Resources.
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Summary
Built in 1973 by the USDA NRCS, this earth dam stands at a height of 28 feet and serves multiple purposes including flood risk reduction. With a storage capacity of 106 acre-feet and a drainage area of 0.6 square miles, it plays a crucial role in managing water flow along the TR-N FK LITTLE NEMAHA RIVER.
Despite its low hazard potential and satisfactory condition assessment as of June 2016, Wilson Creek 12-6 undergoes regular inspections every 5 years to ensure its structural integrity and operational efficiency. The dam's design features stone core and soil foundation, with a length of 617 feet and a maximum discharge capacity of 280 cubic feet per second. It serves as a key component in the local water management infrastructure, providing essential protection against flooding and contributing to the overall water resource management in the region.
With its strategic location and effective design, Wilson Creek 12-6 exemplifies the importance of earth dam structures in maintaining water security and mitigating flood risks in Nebraska. Managed under state jurisdiction and with support from the Natural Resources Conservation Service, this dam stands as a testament to the collaborative efforts in safeguarding water resources and climate resilience for the community of Otoe and beyond.
Year Completed |
1973 |
Dam Length |
617 |
Dam Height |
28 |
River Or Stream |
TR-N FK LITTLE NEMAHA RIVER |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
26 |
Drainage Area |
0.6 |
Nid Storage |
106 |
Structural Height |
28 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Weeping Water Creek At Union
|
20cfs |
Missouri River At Nebraska City
|
24100cfs |
Platte R At Louisville Ne
|
4630cfs |
Salt Creek At Greenwood
|
125cfs |
Platte R Nr Ashland
|
6290cfs |
Wahoo Cr At Ashland
|
78cfs |
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.
Wilson Creek 12-6