Guido Lake Dam Reservoir Report

Last Updated: December 5, 2025

Guido Lake Dam, located in Adams, Mississippi, along St.


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Summary

Catherine Creek, serves as a vital Fish and Wildlife Pond with a primary purpose of supporting aquatic ecosystems. This private dam, owned and regulated by the Mississippi Department of Environmental Quality, stands at a height of 37 feet and spans 390 feet in length. With a storage capacity of 139.6 acre-feet, the dam plays a crucial role in managing water resources in the region.

Despite its low hazard potential, Guido Lake Dam is subject to moderate risk, highlighting the need for ongoing monitoring and risk management measures. The dam features an uncontrolled spillway and has a maximum discharge capacity of 583 cubic feet per second. While the dam's condition remains unrated, its maintenance and inspection are conducted regularly by the state regulatory agency to ensure the safety and integrity of the structure.

As a significant feature within the Vicksburg District, Guido Lake Dam not only provides essential water storage but also supports biodiversity and conservation efforts in the area. Climate and water resource enthusiasts can appreciate the dam's role in preserving natural habitats and contributing to the sustainability of the local ecosystem.

Dam Length

390

Dam Height

37

River Or Stream

ST. CATHERINE CREEK

Surface Area

10.3

Hydraulic Height

32

Drainage Area

0.45

Nid Storage

139.6

Structural Height

40

Hazard Potential

Low

Nid Height

40
       
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.