Dd No 124 Reservoir Report

Last Updated: December 13, 2025

Dd No 124, also known as Pony Creek Joint Dist No 78 Site 124, is a local government-owned earth dam located in Brown, Kansas.


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Summary

Designed by the USDA NRCS, this dam serves the primary purpose of flood risk reduction along the Pony Creek-TR river. With a height of 28 feet and a length of 785 feet, it provides a storage capacity of 114.4 acre-feet and covers a surface area of 5.4 acres.

Despite being classified as low hazard potential and not rated for condition assessment, Dd No 124 plays a crucial role in mitigating flood risks in the area. The dam features an uncontrolled spillway with a width of 120 feet and has a moderate risk assessment rating of 3. While it has not been inspected since December 2007, the dam is still deemed to meet safety guidelines.

For water resource and climate enthusiasts, Dd No 124 offers valuable insight into the infrastructure and management of flood control systems in the region. Its location in Preston, Nebraska, and its association with the Natural Resources Conservation Service highlight the collaborative efforts involved in ensuring the safety and efficiency of water resource projects. With a focus on flood risk reduction, this dam stands as a testament to the importance of proactive measures in safeguarding communities from natural disasters.

Dam Length

785

Dam Height

28

River Or Stream

PONY CREEK-TR

Primary Dam Type

Earth

Surface Area

5.4

Hydraulic Height

24

Drainage Area

0.32

Nid Storage

114.4

Structural Height

28

Outlet Gates

None

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

28
       
Seasonal Comparison

Weather Forecast

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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