Langosch Lake Dam Reservoir Report

Last Updated: December 19, 2025

Langosch Lake Dam, located in St.


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Summary

Peters, Missouri, is a private earth dam that was completed in 1962 for recreational purposes on TR Dardenne Creek. Standing at a height of 30 feet and offering a storage capacity of 96 acre-feet, this dam serves primarily for recreation, with a normal storage capacity of 50 acre-feet. Despite being privately owned, the dam is not regulated by the state and has a low hazard potential.

With a surface area of 6 acres and a drainage area of 50 acres, Langosch Lake Dam provides a serene setting for water resource and climate enthusiasts to enjoy. The dam, constructed with a buttress core type and an unlisted foundation, has not been rated for its current condition, but it remains a popular spot for outdoor activities. While the dam does not have a spillway or outlet gates, its overall risk assessment and management measures are not specified, indicating a need for further evaluation and preparedness.

Despite its low hazard potential, Langosch Lake Dam's lack of state regulation and inspection raises questions about its long-term safety and maintenance. With its scenic location and recreational offerings, it is essential for water resource and climate enthusiasts to stay informed about the dam's condition and any potential risks it may pose. Keeping a close eye on developments and ensuring proper emergency preparedness measures are in place will help preserve the beauty and functionality of this private dam for years to come.

Year Completed

1962

Dam Height

30

River Or Stream

TR DARDENNE CREEK

Primary Dam Type

Earth

Surface Area

6

Drainage Area

50

Nid Storage

96

Structural Height

30

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

30
       
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.