Wilson Creek 12-2 Reservoir Report

Last Updated: December 6, 2025

Wilson Creek 12-2 is a local government-owned earth dam located in Otoe, Nebraska, along the TR-N FK LITTLE NEMAHA RIVER.


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Summary

Built in 1962 by USDA NRCS, this dam stands at a height of 27 feet and has a storage capacity of 78 acre-feet. With a low hazard potential and satisfactory condition assessment, Wilson Creek 12-2 serves primarily for flood risk reduction and other purposes within the community.

Managed by the Nebraska Department of Natural Resources, this dam undergoes regular inspections every five years to ensure its structural integrity and safety. The dam has a drainage area of 0.7 square miles and a maximum discharge capacity of 367 cubic feet per second. While its primary purpose is flood risk reduction, Wilson Creek 12-2 also contributes to water resource management and climate resilience efforts in the region.

Overall, Wilson Creek 12-2 plays a crucial role in protecting the surrounding area from potential flood events and ensuring water resource sustainability. With its strategic location and design, this earth dam continues to be a key asset for the local community, showcasing the importance of proper infrastructure in mitigating climate-related risks and enhancing water management practices.

Year Completed

1962

Dam Length

442

Dam Height

23

River Or Stream

TR-N FK LITTLE NEMAHA RIVER

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

22

Drainage Area

0.7

Nid Storage

78

Structural Height

27

Hazard Potential

Low

Foundations

Soil

Nid Height

27
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.
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