Dd No 29 Reservoir Report

Last Updated: December 5, 2025

Dd No 29, also known as Rock Creek Watershed Dam No 29, is a crucial infrastructure located in Pottawatomie, Kansas, designed by the USDA NRCS to reduce flood risks in the area.


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Summary

Completed in 1996, this earth dam stands at a height of 26 feet and has a storage capacity of 170.8 acre-feet. With a normal storage capacity of 34 acre-feet and a drainage area of 0.61 square miles, Dd No 29 plays a significant role in managing water flow and protecting the surrounding community from potential flooding events.

Situated on Pleasant Run Creek-TR, this dam boasts a spillway width of 125 feet and a maximum discharge capacity of 847 cubic feet per second. Despite its low hazard potential and moderate risk assessment rating, Dd No 29 has not been inspected since November 2012, highlighting the importance of regular maintenance and monitoring of such critical water infrastructure. As a vital component in the flood risk reduction strategy for the region, Dd No 29 serves as a testament to the collaborative efforts between local government and the USDA NRCS in safeguarding communities against the impacts of extreme weather events and climate variability.

In the face of increasing climate challenges and water resource management concerns, Dd No 29 stands as a resilient structure that exemplifies the importance of proactive planning and investment in sustainable infrastructure. With its strategic location in the Rock Creek Watershed and its essential role in flood risk reduction, this earth dam serves as a beacon of resilience and preparedness in the face of a changing climate. As water resource and climate enthusiasts continue to advocate for sustainable solutions, Dd No 29 stands as a testament to the power of collaboration and innovation in safeguarding communities and ecosystems for future generations.

Year Completed

1996

Dam Length

1130

Dam Height

26

River Or Stream

PLEASANT RUN CREEK-TR

Primary Dam Type

Earth

Surface Area

7.4

Hydraulic Height

24

Drainage Area

0.61

Nid Storage

170.8

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

26
       
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.