Gideon East Dam Reservoir Report

Last Updated: December 13, 2025

Gideon East Dam, located in Shawnee County, Kansas, is a local government-owned structure designed by MCCRACKEN AND PRATT to reduce flood risks along the Silver Lake Ditch.


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Summary

This buttress-type dam stands at a height of 31 feet and spans 500 feet in length, providing a maximum storage capacity of 58 acre-feet. While the dam is currently assessed as having low hazard potential and is not rated for its condition, it is regulated and inspected by the Kansas Department of Agriculture to ensure its effectiveness in flood risk reduction.

Managed by the local government in KIRO, Gideon East Dam serves as a crucial infrastructure along the Silver Lake Ditch, contributing towards the overall flood risk reduction efforts in the region. With its primary purpose being flood risk reduction, the dam has a spillway width of 47 feet and is equipped with outlet gates to manage water flow during high precipitation events. Despite not having a designated completion year or updated inspection information, the dam remains a key component in the state's water resource management plan.

As water resource and climate enthusiasts, understanding the significance of Gideon East Dam in mitigating flood risks and safeguarding the surrounding community is vital. With its strategic location and design features, this dam plays a crucial role in protecting the area from potential inundation events and highlights the importance of proactive infrastructure planning and maintenance in the face of changing climate patterns.

Dam Length

500

Dam Height

31

River Or Stream

SILVER LAKE DITCH

Hydraulic Height

30

Nid Storage

58

Structural Height

31

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

31
       
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.