Amory Lock And Dam Reservoir Report

Last Updated: December 6, 2025

Amory Lock and Dam, located in Amory, Mississippi, along the Tombigbee River, was completed in 1982 by the US Army Corps of Engineers for the primary purpose of navigation.


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Summary

This gravity dam stands at a structural height of 46 feet and has a hydraulic height of 28 feet, with a length of 3400 feet and a storage capacity of 4386 acre-feet. The dam features a controlled spillway with a width of 104 feet and a single lock that is 600 feet long and 110 feet wide.

With a significant hazard potential, Amory Lock and Dam is continuously monitored and managed by the US Army Corps of Engineers to address flood risks associated with the structure. The agency works to maintain the dam's structural integrity, manage water levels, and collaborate with local emergency managers to develop emergency action plans and evacuation procedures. Regular inspections, maintenance, and updates to the emergency action plan are conducted to ensure the dam's functionality and readiness in case of a dam-related emergency. As water resource and climate enthusiasts, it is important to recognize the critical role of infrastructure like Amory Lock and Dam in water management and flood risk mitigation efforts.

Year Completed

1982

Dam Length

3400

River Or Stream

TOMBIGBEE

Primary Dam Type

Gravity

Surface Area

914

Length Of Locks

600

Hydraulic Height

28

Drainage Area

1226

Nid Storage

4386

Structural Height

46

Hazard Potential

Significant

Nid Height

46
       
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.