Mcclure Trust Dam Reservoir Report

Last Updated: December 6, 2025

Mcclure Trust Dam, located in Keosauqua, Iowa, was completed in 2016 to primarily serve as a flood risk reduction measure along an unnamed tributary to South Chequest Creek.


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Summary

Designed by Kent O Rice and French-Reneker Associates, this private-owned earth dam stands at a height of 29 feet and has a storage capacity of 93 acre-feet. With a low hazard potential and not yet rated condition, the dam is regulated by the Iowa Department of Natural Resources, ensuring regular inspections and enforcement to maintain its safety and functionality.

The dam's purpose extends beyond flood risk reduction to include grade stabilization and other related benefits. Its location in Davis County, Iowa, within the Kansas City District, makes it a crucial component of the local water resource management system. Despite not having a spillway type specified, the dam's spillway width of 10 feet and maximum discharge of 28 cubic feet per second indicate its capacity to handle excess water flow during heavy rainfall events. The presence of outlet gates and associated structures further enhances its operational capabilities and overall efficiency.

Mcclure Trust Dam's completion marked a significant milestone in enhancing water resource management in the region, with its construction and maintenance overseen by private entities. As a vital infrastructure for flood control and grade stabilization, the dam's design and regulatory compliance highlight its importance in safeguarding the local community from water-related risks. With a focus on safety and functionality, the dam continues to play a crucial role in mitigating flood impacts and ensuring sustainable water resource management in the area.

Year Completed

2016

Dam Height

29

River Or Stream

Unnamed tributary to South Chequest Creek

Primary Dam Type

Earth

Drainage Area

0.28

Nid Storage

93

Hazard Potential

Low

Foundations

Soil

Nid Height

29
       
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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