Gs Dd No 117 Reservoir Report

Last Updated: December 6, 2025

Gs Dd No 117, located in Shawnee County, Kansas, is a vital structure owned by the local government and regulated by the Kansas Department of Agriculture.


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Summary

Completed in 1990, this earth dam stands at a height of 28 feet and serves the primary purpose of debris control along the Wakarusa River-TR. With a storage capacity of 514 acre-feet and a drainage area of 1.14 square miles, this dam plays a crucial role in flood risk reduction in the region.

Despite its high hazard potential, Gs Dd No 117 has not been rated for its condition assessment, highlighting the need for ongoing monitoring and maintenance. The dam features an uncontrolled spillway with a width of 70 feet and no outlet gates. With a moderate risk assessment rating of 3, it is essential for emergency preparedness and risk management measures to be in place. While the dam has not been modified in recent years, regular inspections are conducted every 3 years to ensure its structural integrity.

As water resource and climate enthusiasts, the significance of Gs Dd No 117 lies in its role in managing water flow and reducing flood risks in the area. With its location in the Kansas City District and proximity to the Wakarusa River, this dam serves as a crucial infrastructure for the local community of Richland. As we continue to address the challenges of climate change and water resource management, maintaining the safety and effectiveness of structures like Gs Dd No 117 is paramount to safeguarding our environment and communities for the future.

Year Completed

1990

Dam Length

945

Dam Height

28

River Or Stream

WAKARUSA RIVER-TR

Primary Dam Type

Earth

Surface Area

19.3

Drainage Area

1.14

Nid Storage

514

Outlet Gates

None

Hazard Potential

High

Foundations

Unlisted/Unknown

Nid Height

28
       
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.