Walters Creek Watershed Site 13-1 Reservoir Report

Last Updated: December 14, 2025

Walters Creek Watershed Site 13-1 is a crucial water resource located in Nodaway, Iowa, managed by the local government.


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Summary

The site, designed by USDA NRCS, serves multiple purposes including fire protection, stock, and small fish pond, as well as flood risk reduction. Constructed in 1967, the earth dam stands at 33 feet high and has a storage capacity of 24 acre-feet, covering a surface area of 2.2 acres with a drainage area of 0.1 square miles.

This watershed site on TR-Kemp Creek is regulated by the Iowa DNR, with state permitting, inspection, and enforcement in place. Despite its low hazard potential, the site has a moderate risk assessment rating of 3, emphasizing the importance of ongoing monitoring and risk management measures. The dam, with an uncontrolled spillway type, has not been assessed for its condition, emergency action plan preparedness, or inundation mapping, highlighting areas for potential future improvement to ensure the safety and sustainability of the watershed.

Water resource and climate enthusiasts can appreciate Walters Creek Watershed Site 13-1 for its role in providing essential services such as fire protection, stock maintenance, and flood risk reduction in the region. With its location in Adams County, Iowa, and under the jurisdiction of the Iowa DNR, this site showcases the collaborative efforts between local government and federal agencies like the USDA NRCS in managing and maintaining water resources. The moderate risk assessment underscores the need for continued monitoring and potential enhancements to ensure the long-term resilience and effectiveness of the dam in protecting the surrounding community and environment.

Year Completed

1967

Dam Length

276

Dam Height

33

River Or Stream

TR-KEMP CREEK

Primary Dam Type

Earth

Surface Area

2.2

Drainage Area

0.1

Nid Storage

24

Hazard Potential

Low

Foundations

Soil

Nid Height

33
       
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.