Dd No G-17 (Hodges) Reservoir Report

Last Updated: December 12, 2025

Dd No G-17 (Hodges) is a vital earth dam located in Oskaloosa, Kansas, serving as a key component in the flood risk reduction efforts in the area.


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Summary

Constructed in 1977 by the USDA NRCS, this dam stands at a height of 47 feet and stretches 360 feet in length, with a storage capacity of 82.3 acre-feet. Situated on Slough Creek-TR, this dam plays a crucial role in managing water flow and protecting the surrounding areas from potential flooding events.

With a hazard potential rated as significant and a condition assessment marked as fair, Dd No G-17 (Hodges) requires regular inspections and maintenance to ensure its structural integrity and effectiveness in flood risk mitigation. The dam features an uncontrolled spillway with a width of 65 feet, able to handle a maximum discharge of 970 cubic feet per second. Despite its moderate risk rating of 3, the dam continues to be a key asset in the region's water resource management efforts, highlighting the importance of ongoing monitoring and risk management measures.

Owned and regulated by the local government with oversight from the Kansas Department of Agriculture, Dd No G-17 (Hodges) stands as a testament to collaborative efforts in safeguarding communities against potential water-related disasters. As water resource and climate enthusiasts, understanding the role of infrastructure like Dd No G-17 (Hodges) is crucial in appreciating the interconnectedness of water management, climate resilience, and community safety in the face of evolving environmental challenges.

Year Completed

1977

Dam Length

360

Dam Height

42

River Or Stream

SLOUGH CREEK-TR

Primary Dam Type

Earth

Surface Area

2.9

Hydraulic Height

40

Drainage Area

0.18

Nid Storage

82.3

Structural Height

47

Outlet Gates

None

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

47
       
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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.