Gs Dd No 3-10 Reservoir Report

Last Updated: December 13, 2025

Gs Dd No 3-10 is a local government-owned earth dam located in Coffey County, Kansas, designed by Dale Steward and completed in 1997.


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Summary

The dam serves the primary purpose of flood risk reduction along the Long Creek-TR river or stream, with a structural height of 45 feet and a hydraulic height of 25 feet. The dam has a low hazard potential and is not currently rated in terms of condition assessment.

With a storage capacity of 334.02 acre-feet and a normal storage level of 42.53 acre-feet, Gs Dd No 3-10 covers a surface area of 8.24 acres and drains a watershed area of 0.93 square miles. The dam features an uncontrolled spillway with a width of 40 feet, and it has not been modified in recent years. While the dam has not been assessed for emergency preparedness or risk management measures, it is inspected by the Kansas Department of Agriculture and meets state regulatory standards.

Overall, Gs Dd No 3-10 plays a vital role in managing flood risks in the region and protecting surrounding communities from potential inundation. With its moderate risk assessment and state-regulated status, this dam stands as a key infrastructure asset in safeguarding water resources and enhancing resilience to climate-related challenges in Coffey County, Kansas.

Year Completed

1997

Dam Length

950

Dam Height

27

River Or Stream

LONG CREEK-TR

Primary Dam Type

Earth

Surface Area

8.24

Hydraulic Height

25

Drainage Area

0.93

Nid Storage

334.02

Structural Height

45

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

45
       
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.