369 Avenue County Road Dam Reservoir Report

Last Updated: December 5, 2025

The 369 Avenue County Road Dam, located in Hayes, Nebraska, serves as a vital structure for flood risk reduction along the TR-Little Blackwood Creek.


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Summary

Built in 1980, this earth dam stands at a height of 15.5 feet and stretches 490 feet in length, providing a storage capacity of 57.7 acre-feet to mitigate potential flooding events in the area. Despite its low hazard potential, the dam is currently assessed to be in poor condition, highlighting the need for maintenance and potential structural improvements to ensure its continued effectiveness in protecting the surrounding community.

Managed by the local government and regulated by the Nebraska Department of Natural Resources, the 369 Avenue County Road Dam undergoes regular inspections to assess its condition and safety standards. With a primary purpose of flood risk reduction, this dam plays a crucial role in safeguarding the region from potential water-related disasters. As climate change continues to impact water resources and weather patterns, the maintenance and upkeep of such critical infrastructure become increasingly important to ensure the resilience of communities against the challenges posed by a changing climate.

Overall, the 369 Avenue County Road Dam stands as a key component of the flood risk reduction strategy in Hayes, Nebraska, providing essential protection to the area against potential inundation events. As water resource and climate enthusiasts, it is imperative to monitor and support the maintenance efforts of such structures to enhance their effectiveness in the face of evolving environmental conditions. By prioritizing the upkeep and modernization of dams like this, communities can better prepare for and adapt to the impacts of climate change on their water resources and infrastructure.

Year Completed

1980

Dam Length

490

Dam Height

15.5

River Or Stream

TR-LITTLE BLACKWOOD CREEK

Primary Dam Type

Earth

Surface Area

7

Hydraulic Height

15.5

Drainage Area

1.25

Nid Storage

57.7

Structural Height

15.5

Hazard Potential

Low

Foundations

Soil

Nid Height

16
       
Seasonal Comparison

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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.