Hayes County Road Dam 2 Reservoir Report

Last Updated: December 5, 2025

Hayes County Road Dam 2 is a vital structure located in Nebraska, specifically in Hayes County.


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Summary

Built in 1960, this Earth-type dam stands at a height of 32 feet and stretches 1200 feet in length. Its primary purpose is flood risk reduction, serving as a crucial line of defense against potential hazards in the region. The dam is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections to ensure its structural integrity.

Situated on Little Blackwood Creek, Hayes County Road Dam 2 holds a storage capacity of 554.6 acre-feet, with a normal storage level of 8.1 acre-feet. The dam covers a surface area of 3.9 acres and serves a drainage area of 35.43 square miles. Despite its low hazard potential, the dam's condition assessment remains unrated, indicating a need for further evaluation. With a designated inspection frequency of 10 years, the dam's emergency action plan status and risk assessment measures are currently not specified.

Hayes County Road Dam 2 plays a crucial role in mitigating flood risks and protecting the surrounding area from potential disasters. As a key infrastructure owned by the local government, its strategic location and design make it a significant asset in water resource management and climate resilience efforts in Hayes County, Nebraska.

Year Completed

1960

Dam Length

1200

Dam Height

32

River Or Stream

LITTLE BLACKWOOD CREEK

Primary Dam Type

Earth

Surface Area

3.9

Hydraulic Height

32

Drainage Area

35.43

Nid Storage

554.6

Structural Height

32

Hazard Potential

Low

Foundations

Soil

Nid Height

32
       
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.