Gerrong Dam Reservoir Report

Last Updated: December 5, 2025

Gerrong Dam, located in Clinton, Oklahoma, serves as a crucial water resource for the region.


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Summary

Completed in 1960, this earth dam stands at a height of 36 feet and has a storage capacity of 70 acre-feet. With a controlled spillway and a single valve outlet gate, the dam plays a vital role in managing water flow from the tributary to the Beaver River.

Owned and regulated by a private entity, Gerrong Dam is subject to state jurisdiction and oversight by the Oklahoma Water Resources Board. Despite its low hazard potential, the risk assessment for the dam is rated very high, emphasizing the importance of regular inspections and maintenance. The dam's condition assessment is currently not rated, highlighting the need for continued monitoring and risk management measures to ensure its long-term stability and functionality.

For water resource and climate enthusiasts, Gerrong Dam presents an intriguing case study in dam infrastructure and management. As a key piece of Oklahoma's water infrastructure, the dam's operations, inspections, and emergency preparedness are essential to safeguarding the surrounding community and ecosystem. With its unique features and historical significance, Gerrong Dam offers a fascinating glimpse into the intersection of water resources, engineering, and environmental stewardship.

Year Completed

1960

Dam Length

220

Dam Height

36

River Or Stream

TRI. TO BEAVER RIVER

Primary Dam Type

Earth

Surface Area

10

Nid Storage

70

Outlet Gates

Valve - 1

Hazard Potential

Low

Nid Height

36
       
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.