Frd No 9-1 Reservoir Report

Last Updated: December 7, 2025

Frd No 9-1, also known as Twin Caney Watershed Dam 9 1, is a flood risk reduction structure located in Sedan, Kansas.


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Summary

Built in 1967 by the USDA NRCS, this earth dam stands at a height of 57 feet and has a hydraulic height of 54 feet, with a total length of 1540 feet. With a normal storage capacity of 363 acre-feet, Frd No 9-1 plays a crucial role in managing floodwaters in the Spring Creek watershed.

Managed by the Kansas Department of Agriculture, Frd No 9-1 is state regulated, permitted, inspected, and enforced to ensure its safety and functionality. The dam has a hazard potential rating of low and a moderate risk assessment level of 3. Although the condition assessment is currently not rated, the dam meets guidelines for emergency action preparedness, with an emergency action plan in place to mitigate potential risks and ensure public safety in case of emergencies.

The location of Frd No 9-1 in the Chautauqua County of Kansas underscores its importance in protecting the surrounding area from flood risks. With its controlled spillway and uncontrolled spillway type, this dam is a vital infrastructure for water resource management in the region, showcasing the collaboration between local government, federal agencies, and state regulators in safeguarding communities from natural disasters.

Year Completed

1967

Dam Length

1540

Dam Height

57

River Or Stream

SPRING CREEK

Primary Dam Type

Earth

Surface Area

50.07

Hydraulic Height

54

Drainage Area

12.52

Nid Storage

2885

Structural Height

57

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

57
       
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.
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