Hummel Erosion Control Dam Reservoir Report

Last Updated: December 6, 2025

The Hummel Erosion Control Dam, located in Nebraska along the TR-S FK SWAN CREEK, was completed in 1963 with the primary purpose of flood risk reduction.


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Summary

Designed by the USDA NRCS, this earth dam stands at a height of 17 feet and has a structural height of 19 feet, providing a maximum storage capacity of 141 acre-feet. The dam spans 605 feet in length and covers a surface area of 15 acres, serving as a vital resource for water management in the region.

Owned privately, the Hummel Erosion Control Dam is regulated and permitted by the Nebraska Department of Natural Resources, with state inspections and enforcement ensuring its operational integrity. With a low hazard potential and a condition assessment of "Not Rated," this dam plays a crucial role in protecting the surrounding area from potential flooding events. Its strategic location and design make it a key component in the overall water resource management system within Jefferson County, Nebraska.

As a collaborative effort between the Natural Resources Conservation Service and local stakeholders, the Hummel Erosion Control Dam showcases the importance of sustainable infrastructure for climate resilience. With a focus on effective water management and erosion control, this dam stands as a testament to the proactive measures taken to safeguard communities and ecosystems from the impacts of changing weather patterns. Its presence not only mitigates flood risks but also contributes to the overall environmental health and well-being of the region.

Year Completed

1963

Dam Length

605

Dam Height

17

River Or Stream

TR-S FK SWAN CREEK

Primary Dam Type

Earth

Surface Area

15

Hydraulic Height

16

Drainage Area

0.88

Nid Storage

141

Structural Height

19

Hazard Potential

Low

Foundations

Soil

Nid Height

19
       
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.