Mountain Park East Dike Reservoir Report
Nearby: East Dike Mountain Park
Last Updated: December 5, 2025
Mountain Park East Dike, located in Kiowa County, Oklahoma, is a vital federal infrastructure designed by the Bureau of Reclamation and completed in 1975.
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Summary
This earth dam stands at a height of 150 feet, serving the primary purpose of flood risk reduction along the West Otter Creek and North Fork of Red River. With a storage capacity of 197,520 acre-feet and a surface area of 9,600 acres, the dam plays a crucial role in irrigation and flood control in the region.
Managed and funded by the Bureau of Reclamation, Mountain Park East Dike is equipped with stone core and soil foundation, ensuring its structural integrity. Despite its high hazard potential, the dam has not undergone recent condition assessment. However, with a well-documented Emergency Action Plan (EAP) last revised in 2017, the dam is prepared to handle emergencies effectively. Although the risk assessment categorizes the dam as high risk, the lack of updated information on risk management measures and inundation maps raises concerns about the current state of emergency preparedness for this crucial water resource infrastructure.
Mountain Park East Dike remains a significant engineering marvel in Oklahoma, providing essential flood protection and water management services to the surrounding areas. As water resource and climate enthusiasts, it is imperative to monitor and advocate for the continued maintenance and improvement of this critical infrastructure to ensure its long-term reliability and resilience in the face of changing climate patterns and increasing water resource challenges.
Year Completed |
1975 |
Dam Length |
10311 |
Dam Height |
150 |
River Or Stream |
WEST OTTER CREEK, NORTH FORK OF RED RIVER |
Primary Dam Type |
Earth |
Surface Area |
9600 |
Hydraulic Height |
59 |
Drainage Area |
121 |
Nid Storage |
197520 |
Structural Height |
35 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
150 |
Seasonal Comparison
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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.
Mountain Park East Dike