Thompson Loren Reservoir Report
Nearby: Thompson Shirley Tucker Earl
Last Updated: December 20, 2025
Thompson Loren, a private earth dam located in Roger Mills County, Oklahoma, was completed in 1983 and serves as a crucial water resource in the area.
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Summary
Standing at a height of 28 feet with a length of 620 feet, this dam has a storage capacity of 50 acre-feet and covers a surface area of 2 acres. Situated on TR-BUFFALO CR, this structure is regulated by the Oklahoma Water Resources Board (OWRB) and is subject to state inspection, permitting, and enforcement.
Despite its low hazard potential, Thompson Loren poses a very high risk due to its condition assessment being marked as "Not Rated." The dam's emergency action plan (EAP) status is unclear, and there is limited information on risk management measures in place. With a controlled spillway and a single outlet gate, this dam requires periodic inspections every five years to ensure its safety and functionality. While the dam meets state jurisdiction and regulatory standards, there are concerns regarding its overall risk assessment and management.
As water resource and climate enthusiasts, monitoring the condition and risk level of Thompson Loren is crucial to ensuring the safety and security of the surrounding community and environment. With the dam located in an area prone to high-risk events, it is essential to have a comprehensive emergency action plan in place and regularly update risk assessment measures. By staying informed and advocating for proactive maintenance and management of Thompson Loren, we can help mitigate potential hazards and safeguard this vital water resource for future generations.
Year Completed |
1983 |
Dam Length |
620 |
Dam Height |
28 |
River Or Stream |
TR-BUFFALO CR |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
28 |
Drainage Area |
546 |
Nid Storage |
50 |
Structural Height |
28 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Seasonal Comparison
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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.
Thompson Loren