Indian Creek Watershed Structure Y-9a-15 Dam Reservoir Report

Last Updated: December 7, 2025

The Indian Creek Watershed Structure Y-9a-15 Dam, also known as Y-9a-15, is a crucial flood risk reduction infrastructure located in Panola, Mississippi.


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Summary

Owned by the local government and designed by the USDA NRCS, this earth dam stands at a height of 33 feet and was completed in 1960. With a NID storage capacity of 220 acre-feet, this dam plays a significant role in managing the flow of the TR- SAND BAYOU river or stream, providing essential protection to the surrounding areas.

The dam's primary purpose is flood risk reduction, and it is regulated and inspected by the MS Department of Environmental Quality. Despite its low hazard potential, the dam is considered to have a moderate risk level, highlighting the importance of effective risk management measures. The dam features an uncontrolled spillway and outlet gates, serving as key components in its operation. Overall, the Indian Creek Watershed Structure Y-9a-15 Dam is a vital structure in safeguarding the local community against potential flooding events and ensuring the sustainable management of water resources in the region.

With its strategic location and design, the Indian Creek Watershed Structure Y-9a-15 Dam stands as a testament to effective water resource management in Mississippi. As climate change continues to impact weather patterns and water availability, structures like this dam play a crucial role in mitigating flood risks and protecting communities. By adhering to regulatory standards and implementing sound risk management practices, this dam serves as a valuable asset in maintaining the ecological balance of the surrounding area and ensuring the resilience of the local water infrastructure in the face of changing environmental conditions.

Year Completed

1960

Dam Height

33

River Or Stream

TR- SAND BAYOU

Primary Dam Type

Earth

Drainage Area

0.52

Nid Storage

220

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Soil

Nid Height

33
       
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.