Dd No 110 Reservoir Report

Last Updated: December 5, 2025

Dd No 110, located in Lyon County, Kansas, is a local government-owned earth dam constructed in 1980 with the primary purpose of flood risk reduction along the Phenis Creek-TR river.


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Summary

With a dam height of 24.5 feet and a length of 1175 feet, Dd No 110 has a storage capacity of 207.5 acre-feet and covers a surface area of 7.4 acres. Despite being uncontrolled, the dam's spillway width of 95 feet helps manage excess water flow during heavy rainfall events.

Although categorized as having a low hazard potential and a moderate risk assessment, Dd No 110 has not been rated for its current condition. The Kansas Department of Agriculture regulates and inspects the dam periodically to ensure its structural integrity and safety. The dam's emergency action plan status and risk management measures are not specified in the available data, indicating potential areas for improvement in emergency preparedness and response.

Water resource and climate enthusiasts may appreciate the detailed information provided for Dd No 110, including its specifications, regulatory oversight, and risk assessment. The dam's role in flood risk reduction along the Phenis Creek-TR river underscores the importance of maintaining and monitoring such structures to protect surrounding communities and ecosystems from potential inundation events. Further evaluation of the dam's condition, emergency preparedness protocols, and risk management strategies could enhance its overall effectiveness in mitigating flood hazards in the region.

Year Completed

1980

Dam Length

1175

Dam Height

24.5

River Or Stream

PHENIS CREEK-TR

Primary Dam Type

Earth

Surface Area

7.4

Drainage Area

0.48

Nid Storage

207.5

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

25
       
Seasonal Comparison

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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.