Allgeyer Lake Dam Reservoir Report

Last Updated: December 8, 2025

Allgeyer Lake Dam in Montgomery, Missouri, is a privately-owned structure completed in 1965 primarily for recreational purposes.


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Summary

With a dam height of 29 feet and a storage capacity of 78 acre-feet, this earth dam serves as a popular spot for water resource and climate enthusiasts to enjoy various water activities in its 5-acre surface area. The dam is located near the TR-DRY FORK and LOUTRE RIVER, making it an ideal destination for both locals and visitors.

Despite its high hazard potential, Allgeyer Lake Dam has not been rated for its condition assessment as of the last inspection in 1979. While the dam is not regulated by the state and does not have permitting or inspection requirements, it remains a significant recreational site in the area. With its serene location and ample storage capacity, this dam continues to attract outdoor enthusiasts looking to explore the waters of Montgomery County. For water resource and climate enthusiasts, Allgeyer Lake Dam offers a unique opportunity to appreciate the intersection of nature and human engineering in a picturesque setting.

Year Completed

1965

Dam Height

29

River Or Stream

TR-DRY FORK,LOUTRE RIVER

Primary Dam Type

Earth

Surface Area

5

Drainage Area

97

Nid Storage

78

Structural Height

29

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

29
       
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.