Dd No 67a Reservoir Report

Last Updated: December 5, 2025

Dd No 67a, located in Pottawatomie, Kansas, is a vital flood risk reduction structure managed by the local government.


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Summary

Built in 2010 by F.V. Robbins-King & Associates, this earth dam stands at a height of 31.8 feet and has a storage capacity of 112 acre-feet. With a low hazard potential and a moderate risk assessment rating, this dam plays a crucial role in protecting the surrounding area from potential flooding events.

Situated on Mud Creek-TR, Dd No 67a covers a drainage area of 0.34 square miles and has a normal storage capacity of 14.2 acre-feet. The dam is equipped with an uncontrolled spillway, measuring 40 feet in width, to manage excess water flow during heavy rainfall. Despite not having outlet gates, this structure has been regulated, inspected, and permitted by the Kansas Department of Agriculture, ensuring its functionality and safety in mitigating flood risks for the community of Flush.

With its strategic location and design, Dd No 67a is a key component in the flood risk reduction efforts in the region. As water resource and climate enthusiasts, it is essential to recognize the importance of infrastructure like Dd No 67a in safeguarding communities and natural habitats from the impacts of extreme weather events. By understanding the details and significance of structures like this earth dam, we can better appreciate the role they play in water resource management and climate resilience.

Year Completed

2010

Dam Length

850

Dam Height

31.8

River Or Stream

MUD CREEK-TR

Primary Dam Type

Earth

Surface Area

2.72

Hydraulic Height

29.6

Drainage Area

0.34

Nid Storage

112

Structural Height

33

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

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.