Port Hudson Lake Dam Reservoir Report

Last Updated: December 8, 2025

Port Hudson Lake Dam, located in Gerald, Missouri, is a state-regulated structure constructed by the Missouri Department of Conservation in 1992.


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Summary

This earth dam, standing at a height of 48 feet and a length of 1080 feet, serves primarily as a Fish and Wildlife Pond, providing a habitat for various species and offering recreational opportunities for enthusiasts. The dam has a storage capacity of 663 acre-feet, with a surface area of 55 acres and a drainage area of 1040 acres along the Cedar Fork river.

Despite its high hazard potential, Port Hudson Lake Dam is in satisfactory condition as of the last assessment in 2007, with regular inspections conducted every two years to ensure its safety and functionality. The dam features an uncontrolled spillway with a width of 10 feet and a slide (sluice gate) outlet structure. The risk assessment for the dam is moderate, with a rating of 3 out of 5, indicating the need for ongoing risk management measures. Overall, Port Hudson Lake Dam is a vital resource for water and climate enthusiasts, contributing to the conservation of wildlife and the promotion of outdoor activities in the region.

Year Completed

1992

Dam Length

1080

Dam Height

48

River Or Stream

CEDAR FORK

Primary Dam Type

Earth

Surface Area

55

Drainage Area

1040

Nid Storage

663

Structural Height

48

Outlet Gates

Slide (sluice gate)

Hazard Potential

High

Foundations

Rock

Nid Height

48
       
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.