Upper Tallahatchie Structure Lt-10-05 Dam Reservoir Report
Last Updated: December 6, 2025
The Upper Tallahatchie Structure Lt-10-05 Dam, located in New Albany, Mississippi, is a crucial infrastructure designed by USDA NRCS to reduce flood risks along the Tallahatchie River.
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Summary
Completed in 1958, this earth dam stands at a height of 21 feet and has a storage capacity of 140 acre-feet. Despite its low hazard potential, the dam is regulated by the Mississippi Department of Environmental Quality and undergoes regular inspections and enforcement to ensure its structural integrity and safety.
Managed by the local government, this dam plays a key role in protecting the surrounding area from potential flooding events. With a primary purpose of flood risk reduction, the Lt-10-05 dam utilizes an uncontrolled spillway and outlet gates to manage water flow during high water levels. Even though its condition is currently not rated, the dam's moderate risk assessment underscores the importance of ongoing risk management measures and emergency preparedness to safeguard the community and environment in case of any potential hazards.
As a part of the Vicksburg District, the Upper Tallahatchie Structure Lt-10-05 Dam symbolizes the collaborative efforts between federal and state agencies in ensuring the safety and resilience of water resources in the region. With its historical significance and vital role in flood control, this dam serves as a testament to the importance of sustainable water management practices and the need for continued monitoring and maintenance to mitigate risks and protect communities from the impacts of climate change.
Year Completed |
1958 |
Dam Height |
21 |
River Or Stream |
TR- TALLAHATCHIE RIVER |
Primary Dam Type |
Earth |
Drainage Area |
0.47 |
Nid Storage |
140 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Upper Tallahatchie Structure Lt-10-05 Dam