Lankard George R Reservoir Report
Nearby: Elmer Oknoname 073010
Last Updated: December 5, 2025
Lankard George R is a privately owned dam located in Twin Lakes, Oklahoma, along the TR-Kingfisher Creek.
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Summary
Built in 1965, this Earth-type dam stands at a height of 21 feet and stretches 835 feet in length, with a storage capacity of 200 acre-feet. The dam serves a variety of purposes, including flood control and water storage, with a controlled spillway and a maximum discharge of 5200 cubic feet per second.
Despite being classified as having a low hazard potential, Lankard George R is subject to state regulation and inspection by the Oklahoma Water Resources Board. The dam is in a very high-risk area, necessitating regular inspections every 5 years. The condition assessment of the dam is currently not rated, but it has an emergency action plan in place in case of any unforeseen events. The dam is operated with a single valve outlet gate and is located within the Tulsa District of the US Army Corps of Engineers.
For water resource and climate enthusiasts, Lankard George R stands as a unique structure in Kingfisher County, Oklahoma, offering insights into the engineering and management of dams in the region. With its low hazard potential and high-risk assessment, this dam provides a fascinating case study for understanding the complexities of maintaining and regulating water infrastructure in the face of changing environmental conditions. The careful monitoring and inspection of Lankard George R highlight the importance of proactive risk management in safeguarding water resources for the future.
Year Completed |
1965 |
Dam Length |
835 |
Dam Height |
21 |
River Or Stream |
TR-KINGFISHER CREEK |
Primary Dam Type |
Earth |
Surface Area |
9 |
Hydraulic Height |
21 |
Nid Storage |
200 |
Structural Height |
21 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
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.
Lankard George R