Houston Sewage Lagoon Dam Reservoir Report

Last Updated: December 6, 2025

Houston Sewage Lagoon Dam, located in Chickasaw, Mississippi, serves as a crucial water resource management structure owned by the local government.


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Summary

This earth dam, with a height of 10 feet and a storage capacity of 60 acre-feet, plays a significant role in wastewater treatment and flood control in the region. Managed and regulated by the Mississippi Department of Environmental Quality, this dam has a low hazard potential and a moderate risk assessment rating.

Despite its primary purpose being categorized as "Other," the Houston Sewage Lagoon Dam fulfills essential functions in maintaining water quality and ensuring public safety. With state-regulated inspections, permitting, and enforcement in place, the dam exemplifies a commitment to environmental stewardship and sustainable water management practices. Although currently not rated for its condition assessment, the dam's design as a buttress-type structure and uncontrolled spillway demonstrate sound engineering principles aimed at mitigating potential risks.

As a part of the Vicksburg District, the Houston Sewage Lagoon Dam stands as a testament to the intersection of water resource management and climate resilience efforts. With its location in a state-regulated area and under the oversight of the Mississippi Department of Environmental Quality, this dam showcases the importance of proactive measures in safeguarding water resources for future generations. The moderate risk assessment, combined with low hazard potential, underscores the strategic planning and risk management strategies implemented to ensure the dam's continued functionality and effectiveness in the face of changing environmental conditions.

Dam Height

10

Nid Storage

60

Hazard Potential

Low

Nid Height

10
       
Seasonal Comparison

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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.