Miller Lake Reservoir Report
Last Updated: December 6, 2025
Miller Lake, located in Pontotoc County, Oklahoma, is a privately owned water resource regulated by the Oklahoma Water Resources Board.
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Summary
Completed in 1957, this Earth-type dam stands at a height of 23 feet and has a maximum storage capacity of 75 acre-feet. With a controlled spillway and a low hazard potential, Miller Lake provides critical water storage for the surrounding area.
The dam on Miller Lake stretches 495 feet in length and is primarily constructed of stone and soil. It serves as a vital source of water for the nearby Leader Creek and has a maximum discharge capacity of 840 cubic feet per second. Despite its age, Miller Lake is maintained with regular inspections every five years and is considered to have a very high risk assessment rating of 1, reflecting the importance of its structural integrity in the face of potential climate-related challenges.
While Miller Lake's condition and emergency preparedness are not currently rated, its strategic location and purpose as a water source underline its significance in water resource management and climate adaptation efforts. As climate change continues to impact water availability and quality, the management and maintenance of facilities like Miller Lake are essential for ensuring sustainable water access for both current and future generations.
Year Completed |
1957 |
Dam Length |
495 |
Dam Height |
23 |
River Or Stream |
TR-LEADER CR |
Primary Dam Type |
Earth |
Hydraulic Height |
23 |
Nid Storage |
75 |
Structural Height |
23 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Little River Near Sasakwa
|
12cfs |
Canadian River At Calvin
|
361cfs |
Blue River Near Connerville
|
54cfs |
Pennington Creek Near Reagan
|
7cfs |
Rock Creek At Sulphur
|
8cfs |
Clear Boggy Creek Near Caney
|
423cfs |
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.
Miller Lake