Collins Lake Dam-Sect 16 Reservoir Report

Last Updated: December 6, 2025

Collins Lake Dam-Sect 16, located in Wayne County, Missouri, is a privately owned earth dam completed in 1972 for recreational purposes.


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Summary

Standing at 20 feet in height, the dam has a storage capacity of 128 acre-feet and covers a surface area of 12 acres. The dam is situated on TR-Big Creek, within the St. Louis District of the U.S. Army Corps of Engineers, and is managed by a private owner.

Despite being classified as a high hazard potential dam, Collins Lake Dam-Sect 16 has not been rated for its condition assessment. It does not have an Emergency Action Plan (EAP) in place, and its risk assessment and management measures remain unspecified. The dam does not have a spillway and does not feature outlet gates or associated structures. With no recent inspection date available, the dam's safety and maintenance procedures are uncertain, raising concerns for potential risks and hazards.

For water resource and climate enthusiasts, Collins Lake Dam-Sect 16 presents an intriguing case study of a privately owned recreational dam in Missouri with limited regulatory oversight and safety assessments. The dam's lack of a comprehensive emergency plan and uncertain risk management measures underscore the importance of regular inspections and maintenance protocols to ensure the safety and integrity of critical infrastructure in water resource management. This dam serves as a reminder of the need for proactive measures to address potential hazards and mitigate risks in the face of changing climate conditions.

Year Completed

1972

Dam Height

20

River Or Stream

TR-BIG CREEK

Primary Dam Type

Earth

Surface Area

12

Drainage Area

753

Nid Storage

128

Structural Height

20

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

20
       
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.