Darrell Roberts Dam Reservoir Report

Last Updated: December 5, 2025

Located in Banner, Nebraska, the Darrell Roberts Dam is a crucial structure built in 1976 by the USDA NRCS to address flood risk reduction in the region.


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Summary

Standing at 43 feet tall and stretching 287 feet in length, this earth dam plays a vital role in managing the flow of Muddy Creek. With a storage capacity of 58 acre-feet and a normal storage capacity of 14 acre-feet, the dam serves as a key component in protecting the local area from potential flood events.

Despite its importance, the dam's condition assessment is rated as poor, highlighting the need for maintenance and potential upgrades to ensure its continued effectiveness. The dam is regulated by the Nebraska Department of Natural Resources and undergoes state inspections regularly to monitor its structural integrity and safety measures. With a low hazard potential, the Darrell Roberts Dam remains a critical infrastructure in safeguarding the surrounding community and environment from the impacts of flooding.

As a private-owned structure, the Darrell Roberts Dam plays a significant role in the flood risk reduction efforts in Nebraska. With the USDA NRCS as the designer and the Nebraska DNR as the regulatory agency, the dam serves as a testament to the collaborative efforts between public and private entities in managing water resources and climate challenges. As enthusiasts in water resource management and climate resilience, the Darrell Roberts Dam stands as a reminder of the importance of investing in infrastructure to protect communities from the impacts of extreme weather events.

Year Completed

1976

Dam Length

287

Dam Height

43

River Or Stream

MUDDY CREEK

Primary Dam Type

Earth

Surface Area

1

Hydraulic Height

43

Drainage Area

0.9

Nid Storage

58

Structural Height

43

Hazard Potential

Low

Foundations

Soil

Nid Height

43
       
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.