Frd No 1-5 Reservoir Report

Last Updated: December 5, 2025

Frd No 1-5, also known as Upper Verdigris Watershed Dam 1-5, is a local government-owned structure located in Chase County, Kansas.


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Summary

Built in 1970 by USDA NRCS, this earth-type dam stands at a height of 60 feet and serves the primary purpose of flood risk reduction along the North Branch Verdigris River. With a storage capacity of 10,070 acre-feet and a drainage area of 29.16 square miles, Frd No 1-5 plays a crucial role in managing water flow and protecting nearby communities from potential flooding events.

Despite being classified as having a significant hazard potential, Frd No 1-5 is rated as being in fair condition, with the last inspection conducted in April 2016. The dam features an uncontrolled spillway with a width of 300 feet and a surface area of 94.83 acres. While the risk assessment for this structure is moderate, with a DSAC assigned date yet to be determined, ongoing risk management measures are in place to ensure the safety and stability of the dam. With its strategic location and design elements, Frd No 1-5 stands as a vital asset for water resource and climate enthusiasts interested in flood risk mitigation efforts in the region.

Year Completed

1970

Dam Length

3270

Dam Height

60

River Or Stream

NORTH BRANCH VERDIGRIS RIVER

Primary Dam Type

Earth

Surface Area

94.83

Hydraulic Height

63

Drainage Area

29.16

Nid Storage

10070

Structural Height

66

Outlet Gates

None

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

66
       
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.