Mooney Harold Reservoir Report
Nearby: Wickham C No 2 Oknoname 30050
Last Updated: December 11, 2025
Mooney Harold, a privately owned dam located in Strong City, Oklahoma, plays a crucial role in water resource management in the region.
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Summary
Built in 1978, this earthen dam stands at a height of 27 feet and has a maximum storage capacity of 50 acre-feet. With a primary purpose listed as "Other," the dam serves as a vital component in regulating the flow of the TR-Wildhorse Creek. Despite its low hazard potential, the dam is classified as having a very high risk due to its condition assessment not being rated and the lack of an emergency action plan.
Managed by the Oklahoma Water Resources Board, Mooney Harold undergoes regular inspections every five years to ensure its structural integrity and overall safety. The dam features a controlled spillway and a single valve outlet gate for water release. The surrounding area, including Roger Mills County, is at risk of inundation in the event of a breach, highlighting the importance of maintaining and monitoring this critical infrastructure. For water resource and climate enthusiasts, Mooney Harold serves as a captivating example of the intersection between human development and environmental conservation in managing water resources effectively.
Year Completed |
1978 |
Dam Length |
189 |
Dam Height |
27 |
River Or Stream |
TR-WILDHORSE CR |
Primary Dam Type |
Earth |
Hydraulic Height |
25 |
Nid Storage |
50 |
Structural Height |
27 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
27 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Mooney Harold