Big Spring Creek Subws Lt - Str R-7-15 Reservoir Report

Last Updated: December 5, 2025

Big Spring Creek Subws Lt - Str R-7-15, also known as Dam R-7-15, is a local government-owned structure located in Marshall County, Mississippi.


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Summary

Designed by USDA NRCS and completed in 1958, this earth dam serves the primary purpose of flood risk reduction along the TR- Big Spring stream. With a height of 29 feet and a length of 302 feet, the dam has a storage capacity of 92 acre-feet and a drainage area of 0.36 square miles.

Managed by the Natural Resources Conservation Service, the dam features an uncontrolled spillway with a width of 50 feet. Despite being rated as low hazard potential and having a moderate risk assessment, the dam's condition is currently not rated. With a focus on flood risk reduction, Big Spring Creek Subws Lt - Str R-7-15 plays a crucial role in mitigating potential flooding events in the surrounding area, showcasing the importance of proper infrastructure in water resource management and climate resilience efforts.

Located in the Vicksburg District and serving as an essential component of the local water management system, this dam stands as a testament to the collaborative efforts between government agencies and the community to safeguard against natural disasters. As water resource and climate enthusiasts continue to monitor and assess the condition of structures like Big Spring Creek Subws Lt - Str R-7-15, the importance of sustainable water management practices and infrastructure maintenance becomes increasingly evident in building resilient communities for the future.

Year Completed

1958

Dam Length

302

Dam Height

29

River Or Stream

TR- BIG SPRING

Primary Dam Type

Earth

Surface Area

4

Hydraulic Height

29

Drainage Area

0.36

Nid Storage

92

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Soil

Nid Height

29
       
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.