Sloan Dam Reservoir Report

Last Updated: December 10, 2025

Sloan Dam, located in Polk, Iowa, serves a primary purpose of fire protection, stock, or small fish pond.


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Summary

Built in 1968 by the USDA NRCS, this earth dam stands at a height of 27 feet and spans 508 feet in length. With a storage capacity of 109 acre-feet, Sloan Dam is regulated by the Iowa DNR and undergoes regular inspections to ensure its structural integrity.

Situated on TR-Camp Creek near Red Rock Reservoir, Sloan Dam plays a crucial role in managing water resources in the area. With a low hazard potential and a moderate risk assessment rating, this dam is designed to handle controlled water release through an uncontrolled spillway. Despite its age, Sloan Dam continues to fulfill its purpose effectively, providing essential water storage and flood protection for the surrounding communities.

As water resource and climate enthusiasts, it is important to monitor the condition of dams like Sloan Dam to ensure their continued functionality and safety. With its strategic location, design features, and regulatory oversight, Sloan Dam stands as a testament to effective water management practices in Iowa, demonstrating the importance of sustainable infrastructure for protecting our natural resources and communities from potential hazards.

Year Completed

1968

Dam Length

508

Dam Height

27

River Or Stream

TR-CAMP CREEK

Primary Dam Type

Earth

Surface Area

7.6

Drainage Area

0.5

Nid Storage

109

Hazard Potential

Low

Foundations

Soil

Nid Height

27
       
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.