Turkey Creek Watershed Site 58d Reservoir Report

Last Updated: December 14, 2025

Turkey Creek Watershed Site 58d, located in Anita, Iowa, is a vital local government-owned water resource infrastructure designed by USDA NRCS to address grade stabilization.


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Summary

Completed in 2004, this earth dam stands at a height of 30 feet and spans a length of 650 feet, with a storage capacity of 403 acre-feet and a drainage area of 1.33 square miles. The dam serves to control the flow of Turkey Creek, ensuring the protection of surrounding areas from erosion and flooding.

Managed by the Iowa DNR, this dam is regulated, permitted, inspected, and enforced to meet state requirements, contributing to its low hazard potential and moderate risk assessment. Although its condition is currently not rated, the dam remains a crucial structure in the management of water resources in Cass County, Iowa. With a spillway width of 2 feet and uncontrolled spillway type, the Turkey Creek Watershed Site 58d plays a key role in maintaining water quality and preserving the natural ecosystem of the region.

Overall, Turkey Creek Watershed Site 58d exemplifies the importance of sustainable water resource management and climate resilience in local communities. As part of the larger efforts to protect and enhance the environment, this dam stands as a testament to the collaboration between federal and state agencies, highlighting the critical role of infrastructure in safeguarding water sources for current and future generations.

Year Completed

2004

Dam Length

650

Dam Height

30

River Or Stream

Tr- Turkey Creek

Primary Dam Type

Earth

Surface Area

11.3

Drainage Area

1.33

Nid Storage

403

Hazard Potential

Low

Foundations

Soil

Nid Height

30
       
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.