Wilty Dam Reservoir Report

Last Updated: December 7, 2025

Wilty Dam, located in Davis County, Iowa, is a privately owned structure designed by the USDA SCS and completed in 1977.


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Summary

With a height of 30 feet and a length of 260 feet, this earth dam serves multiple purposes including fire protection, stock, and small fish pond. The dam has a storage capacity of 30 acre-feet and a surface area of 2 acres, making it an essential resource for water management in the area.

Managed by the Iowa DNR and regulated by the state, Wilty Dam has a low hazard potential and a moderate risk assessment rating. While its condition is currently not rated, the dam undergoes regular inspections, permitting, and enforcement to ensure its safety and efficiency. The dam is situated on TR-Carter Creek and serves as a vital component for water conservation, especially during dry periods and for firefighting purposes.

With its strategic location in Memphis, MO, Wilty Dam plays a crucial role in water resource management in the region. Despite its modest size, the dam provides valuable storage capacity and serves as a reliable source for various activities. Enthusiasts of water resources and climate will find Wilty Dam to be an intriguing example of sustainable infrastructure that contributes to the overall resilience and adaptation to changing environmental conditions.

Year Completed

1977

Dam Length

260

Dam Height

30

River Or Stream

TR-CARTER CREEK

Primary Dam Type

Earth

Surface Area

2

Drainage Area

0.12

Nid Storage

30

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.
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Area Campgrounds