Frd No 9 Reservoir Report

Last Updated: December 6, 2025

Frd No 9, also known as Frog Creek Watershed Dam 9, is a local government-owned structure located in Coffey County, Kansas.


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Summary

Completed in 1971, this earth dam stands at a height of 33 feet and serves the primary purpose of flood risk reduction along the Frog Creek-TR river or stream. With a storage capacity of 521.95 acre-feet and a surface area of 15.16 acres, Frd No 9 plays a crucial role in managing water resources in the area.

Managed by the Kansas Department of Agriculture, Frd No 9 is regulated, inspected, and enforced to ensure its structural integrity and functionality. Despite being classified as having a low hazard potential, the dam's condition assessment is currently "Not Rated," highlighting the need for ongoing monitoring and maintenance. Additionally, the dam's risk assessment is considered moderate, emphasizing the importance of implementing risk management measures to safeguard the surrounding community and environment in case of emergencies.

Overall, Frd No 9 is a significant component of the local water infrastructure in Coffey County, serving as a vital tool for flood risk reduction and water resource management. With its strategic location and design, this dam contributes to the resilience of the area against potential water-related hazards, showcasing the importance of proactive monitoring and maintenance to ensure its long-term functionality and safety.

Year Completed

1971

Dam Length

1100

Dam Height

33

River Or Stream

FROG CREEK-TR

Primary Dam Type

Earth

Surface Area

15.16

Hydraulic Height

30

Drainage Area

0.87

Nid Storage

521.95

Structural Height

33

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

33
       
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.