Mononame 571 Reservoir Report

Last Updated: December 18, 2025

Mononame 571 is a privately owned earth dam located in Perry, Missouri, along TR Lick Creek.


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Summary

Built in 1965, this dam serves primarily for recreational purposes with a storage capacity of 75 acre-feet and a normal storage level of 3 feet. The dam stands at a height of 10 feet and covers a surface area of 14 acres, contributing to the overall drainage area of 250 acres.

Despite its low hazard potential, Mononame 571 has not been rated for its condition assessment, and there is limited information on its emergency action plan and risk management measures. The dam is not regulated or inspected by the state, and it falls under the jurisdiction of the St. Louis District of the US Army Corps of Engineers. The structure has not been modified in recent years, and there are no associated locks or spillways.

For water resource and climate enthusiasts, Mononame 571 represents a unique recreational feature in the Ralls County landscape. While it may not pose significant risks, the lack of comprehensive assessment and emergency preparedness highlights the importance of monitoring and maintaining such infrastructure to ensure public safety and environmental sustainability in the face of changing weather patterns and water resource management challenges.

Year Completed

1965

Dam Height

10

River Or Stream

TR LICK CREEK

Primary Dam Type

Earth

Surface Area

14

Drainage Area

250

Nid Storage

75

Structural Height

10

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

10
       
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.
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Area Campgrounds