Frank Gebracht Reservoir Report

Last Updated: December 6, 2025

Frank Gebracht is a privately owned dam located in Perkins, South Dakota, along the TR-Moreau River.


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Summary

Built in 1959 by the Natural Resources Conservation Service, this earthen dam stands at 19 feet high and stretches 460 feet in length, with a storage capacity of 75 acre-feet. Despite its low hazard potential and not being rated for condition assessment, Frank Gebracht is regulated by the South Dakota Department of Environment and Natural Resources, ensuring proper inspection, permitting, and enforcement protocols are in place to protect the surrounding area and water resources.

Situated within the St. Paul District of the US Army Corps of Engineers, Frank Gebracht plays a crucial role in managing water flow and storage along the TR-Moreau River. With a maximum discharge capacity of 200 cubic feet per second, this dam helps control water levels and protect against flooding in the region. Although the dam's emergency action plan and risk assessment details are currently unavailable, its presence and operational status demonstrate a commitment to water resource management and climate resilience in the area.

Overall, Frank Gebracht serves as a vital infrastructure asset in South Dakota, contributing to water resource management efforts and environmental protection along the TR-Moreau River. While its condition assessment may be pending and hazard potential deemed low, the regulatory oversight and maintenance practices in place ensure the dam continues to fulfill its intended purpose of water storage and flood control, reflecting a dedication to sustainable water resource management for the benefit of the local community and surrounding ecosystem.

Year Completed

1959

Dam Length

460

Dam Height

19

River Or Stream

TR-MOREAU RIVER

Primary Dam Type

Earth

Hydraulic Height

19

Nid Storage

75

Hazard Potential

Low

Nid Height

19
       
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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.