Shammack Creek Watershed Structure 3 Dam Reservoir Report

Last Updated: December 5, 2025

Shammack Creek Watershed Structure 3 Dam, located in Kemper, Mississippi, is a vital piece of infrastructure designed by USDA NRCS to mitigate flood risks along the TR- SHY HAMMOCK CREEK.


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Summary

Completed in 1962, this earth dam stands at 22 feet tall and has a storage capacity of 665 acre-feet, serving its primary purpose of flood risk reduction for the local community. Despite its age, the dam is in fair condition as of the last inspection in October 2019, with a high hazard potential necessitating regular monitoring and maintenance.

Managed by the local government and regulated by the Mississippi Department of Environmental Quality, this dam plays a crucial role in safeguarding the surrounding areas from potential flooding events. With uncontrolled spillways and outlet gates, the structure is designed to handle moderate risk levels and has been deemed as meeting guidelines for emergency preparedness. While the dam's hazard potential is high, its fair condition and regulated inspection and enforcement ensure that it continues to function effectively in protecting the local community from flood-related risks.

As an essential component of water resource management in Mississippi, Shammack Creek Watershed Structure 3 Dam embodies the collaborative efforts between federal and state agencies to ensure the safety and well-being of residents in flood-prone areas. With its buttress core and soil foundation, this dam stands as a testament to the resilience and ingenuity of engineering solutions in mitigating the impacts of extreme weather events and climate variability on water resources.

Year Completed

1962

Dam Height

22

River Or Stream

TR- SHY HAMMOCK CREEK

Primary Dam Type

Earth

Drainage Area

1.14

Nid Storage

665

Outlet Gates

Uncontrolled

Hazard Potential

High

Foundations

Soil

Nid Height

22
       
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.