Kent Park 1 East Dam Reservoir Report

Last Updated: December 6, 2025

Kent Park 1 East Dam, located in Tiffin, Iowa, was completed in 1997 by the USDA NRCS with the primary purpose of grade stabilization along Tr- Clear Creek.


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Summary

This earth dam stands at a height of 28 feet and has a length of 230 feet, providing a storage capacity of 23 acre-feet. While categorized as having a low hazard potential, the dam's risk assessment is moderate (3), indicating a need for ongoing monitoring and management measures to ensure safety and functionality.

Managed by the local government, Kent Park 1 East Dam serves as a vital resource for water management in Johnson County. With a drainage area of 0.14 square miles and a normal storage capacity of 6 acre-feet, the dam plays a crucial role in flood control and sediment retention in the area. Despite its modest size, the dam's design and construction by the Natural Resources Conservation Service reflect a commitment to sustainable water resource management and environmental stewardship.

As a key infrastructure for water resource enthusiasts and climate advocates, Kent Park 1 East Dam represents a harmonious blend of engineering innovation and ecological conservation. While not currently rated for condition assessment, the dam's design for grade stabilization and controlled spillway demonstrate a thoughtful approach to balancing human needs with environmental considerations. Moving forward, continued monitoring and risk management will be essential to ensure the long-term effectiveness and safety of this essential water resource in Johnson County.

Year Completed

1997

Dam Length

230

Dam Height

28

River Or Stream

Tr- Clear Creek

Primary Dam Type

Earth

Surface Area

1

Drainage Area

0.14

Nid Storage

23

Hazard Potential

Low

Foundations

Soil

Nid Height

28
       
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.