Wilson Creek 2-23 Reservoir Report

Last Updated: December 6, 2025

Wilson Creek 2-23, located in Otoe, Nebraska, is a local government-owned dam designed by USDA NRCS to regulate the flow of the TR-N FK LITTLE NEMAHA RIVER.


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Summary

Completed in 1973, this earth dam stands at 33 feet high and spans 570 feet in length, with a storage capacity of 41 acre-feet. The primary purposes of Wilson Creek 2-23 are flood risk reduction and other water resource management activities, making it a vital infrastructure for the region.

With a low hazard potential and fair condition assessment as of June 2020, Wilson Creek 2-23 is crucial for maintaining the safety and stability of the surrounding area. The dam is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections and maintenance to ensure its effectiveness in mitigating flood risks and managing water resources. The dam's location in a rural setting underscores its significance in protecting the local community from potential water-related hazards.

As a key component of the local water management system, Wilson Creek 2-23 plays a critical role in safeguarding the region against flooding and ensuring a sustainable water supply. With its modest storage capacity and strategic design, this dam serves as a testament to the collaborative efforts of government agencies and designers in enhancing water resource resilience in Nebraska. The ongoing monitoring and maintenance of Wilson Creek 2-23 reflect a commitment to safeguarding the community and environment for years to come.

Year Completed

1973

Dam Length

570

Dam Height

29

River Or Stream

TR-N FK LITTLE NEMAHA RIVER

Primary Dam Type

Earth

Surface Area

2

Hydraulic Height

27

Drainage Area

0.2

Nid Storage

41

Structural Height

33

Hazard Potential

Low

Foundations

Soil

Nid Height

33
       
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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.