Pekarek Dam Reservoir Report

Last Updated: December 9, 2025

Pekarek Dam, located in Butler, Nebraska, was designed by the USDA NRCS and completed in 1975 for the primary purpose of flood risk reduction.


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Summary

This earth dam stands at a height of 18 feet and spans a length of 368 feet, with a maximum storage capacity of 72 acre-feet. The dam is regulated by the Nebraska Department of Natural Resources and undergoes regular inspections to ensure its structural integrity and compliance with state regulations.

Despite its low hazard potential, Pekarek Dam has been assessed to be in poor condition as of April 2019. The dam poses minimal risk to the surrounding area, but its maintenance and upkeep are crucial to its continued effectiveness in reducing flood risks along TR-Keysor Creek. The dam's emergency action plan and risk management measures are currently under review, highlighting the importance of proactive measures to address any potential safety concerns.

With its location in a rural area and its vital role in protecting against flooding, Pekarek Dam serves as a significant piece of infrastructure in the region. As water resource and climate enthusiasts, it is essential to monitor the condition and management of dams like Pekarek to ensure the safety and sustainability of our water resources in the face of changing environmental conditions.

Year Completed

1975

Dam Length

368

Dam Height

18

River Or Stream

TR-KEYSOR CREEK

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

16

Drainage Area

0.4

Nid Storage

72

Structural Height

18

Hazard Potential

Low

Foundations

Soil

Nid Height

18
       
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.