Muddy Creek Watershed Structure 31 Dam Reservoir Report

Last Updated: December 6, 2025

Muddy Creek Watershed Structure 31 Dam, also known as Muddy Creek Dam 31, is a vital flood risk reduction structure located in Walnut, Mississippi.


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Summary

Constructed in 1976 by the USDA NRCS, this earth dam stands at a height of 26 feet and has a storage capacity of 138 acre-feet. It is regulated by the Mississippi Department of Environmental Quality and serves the primary purpose of mitigating flood risks in the TR-Muddy Creek basin.

The dam's design features a buttress core supported by soil foundations, with an uncontrolled spillway to manage excess water flow. Despite its low hazard potential, the dam's risk assessment is moderate, indicating the need for ongoing management measures to ensure its structural integrity and effectiveness in flood control. As a locally owned and operated structure, the Muddy Creek Watershed Structure 31 Dam plays a crucial role in safeguarding the surrounding Tippah County community from potential flooding events.

With its location in the Memphis District and oversight by the Natural Resources Conservation Service, this dam highlights the collaborative efforts between local government agencies and federal resources to protect water resources and manage climate-related risks in the region. As water resource and climate enthusiasts, understanding the importance of structures like Muddy Creek Dam 31 is crucial in ensuring the resilience and sustainability of our natural environment in the face of changing weather patterns and increasing water-related challenges.

Year Completed

1976

Dam Height

26

River Or Stream

TR- MUDDY CREEK

Primary Dam Type

Earth

Drainage Area

0.5

Nid Storage

138

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Soil

Nid Height

26
       
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.