Frd No 11 Reservoir Report

Last Updated: December 5, 2025

Frd No 11, also known as Wakarusa Watershed Dam 11, is a vital structure located in Shawnee, Kansas, designed by the USDA NRCS for flood risk reduction.


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Summary

Completed in 1973, this dam stands at a height of 54 feet and has a hydraulic height of 46 feet, serving the Middle Branch Wakarusa River. With a storage capacity of 1,546 acre-feet and a drainage area of 5.8 square miles, Frd No 11 plays a crucial role in managing water resources and mitigating flood risks in the region.

Owned by the local government and regulated by the Kansas Department of Agriculture, Frd No 11 is classified as a buttress dam with a low hazard potential. While its condition is currently not rated, the dam has not undergone any recent modifications and does not have an Emergency Action Plan in place. With a spillway width of 80 feet and no associated locks, Frd No 11 remains a key infrastructure for water management in the area, contributing to the overall resilience of the community in the face of changing climate patterns.

Climate enthusiasts and water resource specialists alike can appreciate the importance of Frd No 11 in safeguarding the surrounding area from potential flood events. As part of the network of dams and structures managed by the Natural Resources Conservation Service, this dam exemplifies the collaborative efforts aimed at protecting communities and ecosystems from the impacts of extreme weather events. With its strategic location, design features, and regulatory oversight, Frd No 11 stands as a testament to the ongoing commitment to sustainable water management practices in Kansas.

Year Completed

1973

Dam Length

1150

Dam Height

54

River Or Stream

MIDDLE BRANCH WAKARUSA RIVER

Hydraulic Height

46

Drainage Area

5.8

Nid Storage

1546

Structural Height

54

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

54
       
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.