Wayne Co. Roadgrade Dam - Clow Site Reservoir Report

Last Updated: December 11, 2025

Located in Wayne County, Iowa, the Wayne Co.


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Summary

Roadgrade Dam - Clow Site is a crucial water resource structure managed by the local government. This earth dam, completed in 1996, stands at 34 feet high and spans 1025 feet, providing essential fire protection, stock, and small fish pond services in the area. With a storage capacity of 1463 acre-feet and a drainage area of 1.72 square miles, this dam plays a significant role in managing water resources in the region.

Managed by the Iowa Department of Natural Resources, this dam on the TR- W. FK. MEDICINE CREEK is in satisfactory condition and has a low hazard potential. The dam features an uncontrolled spillway and is regularly inspected every five years to ensure its structural integrity and safety. Despite the moderate risk assessment, the Wayne Co. Roadgrade Dam - Clow Site serves as a vital component of the local water management infrastructure, contributing to the overall water security and climate resilience of the area.

With its strategic location and functions, the Wayne Co. Roadgrade Dam - Clow Site not only safeguards the surrounding community but also supports environmental sustainability and water conservation efforts in Wayne County. As a part of the broader water resource system in the region, this dam underscores the importance of proactive management and maintenance practices to address the challenges posed by climate change and ensure the long-term stability and efficiency of water infrastructure in the area.

Year Completed

1996

Dam Length

1025

Dam Height

34

River Or Stream

TR- W. FK. MEDICINE CREEK

Primary Dam Type

Earth

Surface Area

22.3

Drainage Area

1.72

Nid Storage

1463

Hazard Potential

Low

Foundations

Soil

Nid Height

34
       
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.