Hoban Lake Dam Reservoir Report

Last Updated: December 5, 2025

Hoban Lake Dam in Maries, Missouri, stands as a testament to the importance of water resource management for recreational purposes.


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Summary

This private dam, completed in 1960, boasts a height of 30 feet and a storage capacity of 144 acre-feet, providing ample opportunities for water-based activities on its 9-acre surface area. Situated on TR TO LONG BRANCH stream, the dam serves the primary purpose of recreation, offering a tranquil escape for visitors seeking outdoor adventures.

Despite its low hazard potential and the lack of state regulation or inspection, Hoban Lake Dam remains a vital component of the local ecosystem. With its earth construction and buttress core type, the dam represents a harmonious blend of human ingenuity and natural surroundings. Its location in the city of ARGYLE, within the St. Louis District, further underscores its significance as a recreational and environmental landmark in the region.

As water resource and climate enthusiasts explore the intricacies of Hoban Lake Dam, they uncover a hidden gem that embodies the delicate balance between human intervention and ecological preservation. With its unlisted foundation and not rated condition assessment, the dam invites further exploration into the intersection of infrastructure, sustainability, and recreational enjoyment. Whether marveling at its structural design or appreciating its serene surroundings, Hoban Lake Dam serves as a compelling case study in the symbiotic relationship between water resources, climate considerations, and leisure activities.

Year Completed

1960

Dam Height

30

River Or Stream

TR TO LONG BRANCH

Primary Dam Type

Earth

Surface Area

9

Drainage Area

280

Nid Storage

144

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.