Dd No 39 Reservoir Report

Last Updated: December 5, 2025

Dd No 39, located in Wabaunsee County, Kansas, is a vital Earth dam constructed in 1992 for the primary purpose of Flood Risk Reduction.


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Summary

With a height of 46 feet and a length of 620 feet, this dam provides a maximum storage capacity of 596 acre-feet, helping to mitigate potential flooding in the area. The dam's low hazard potential and moderate risk assessment highlight its importance in safeguarding nearby communities from potential water-related disasters.

Managed by the local government and regulated by the Kansas Department of Agriculture, Dd No 39 undergoes regular inspections to ensure its structural integrity and functionality. Despite its age, this dam has not been rated for its condition, emphasizing the need for continued monitoring and maintenance to uphold its crucial role in flood prevention. Managed by designer Dale Steward, this dam stands as a testament to effective water resource management in Kansas, serving as a key infrastructure for climate resilience in the region.

With its uncontrolled spillway and absence of outlet gates, Dd No 39 is designed to efficiently manage excess water flow during periods of high discharge, further enhancing its flood risk reduction capabilities. The dam's strategic location in 2,14S, 10E coordinates, combined with its impressive storage capacity and drainage area, solidify its importance in water resource management in the region. As climate change continues to impact weather patterns, the role of structures like Dd No 39 becomes increasingly significant in protecting communities and ecosystems from the adverse effects of extreme weather events.

Year Completed

1992

Dam Length

620

Dam Height

46

Primary Dam Type

Earth

Surface Area

14.86

Drainage Area

1.82

Nid Storage

596

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

46
       
Seasonal Comparison

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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.