Scs-Mill Creek Site-06 Reservoir Report
Last Updated: December 18, 2025
SCS-Mill Creek Site-06, located in Mill Creek, Oklahoma, is a state-regulated dam designed by USDA NRCS with a primary purpose of flood risk reduction.
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Summary
Completed in 1958, this earth dam stands at a height of 20 feet with a hydraulic height of 15 feet and a length of 1100 feet. The dam has a storage capacity of 121 acre-feet and a maximum discharge of 993 cubic feet per second, making it a crucial infrastructure for managing water resources in the area.
The dam features a controlled spillway with a width of 1 foot and an outlet gate consisting of a single valve. Despite being rated as a low hazard potential structure, the dam's risk assessment is categorized as very high (1). The condition of the dam is currently not rated, with the last inspection conducted in 1980. The site falls under the jurisdiction of the Oklahoma Water Resources Board (OWRB), ensuring proper permitting, inspection, and enforcement of regulations to maintain its safety and functionality.
Water resource and climate enthusiasts will find SCS-Mill Creek Site-06 to be a fascinating structure that plays a crucial role in flood risk reduction in the region. With its historical significance, detailed engineering specifications, and regulatory oversight by the OWRB, this dam serves as a vital component of water management infrastructure in Oklahoma. Its risk assessment highlights the importance of continuous monitoring and maintenance to ensure the safety and effectiveness of the dam in safeguarding the surrounding area from potential flood events.
Year Completed |
1958 |
Dam Length |
1100 |
Dam Height |
20 |
River Or Stream |
TR-MILL CREEK |
Primary Dam Type |
Earth |
Surface Area |
13 |
Hydraulic Height |
15 |
Nid Storage |
121 |
Structural Height |
20 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
20 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Rock Creek At Sulphur
|
8cfs |
Pennington Creek Near Reagan
|
57cfs |
Blue River Near Connerville
|
49cfs |
Washita River Near Dickson
|
319cfs |
Washita River Near Pauls Valley
|
327cfs |
Little River Near Sasakwa
|
9cfs |
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.
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Scs-Mill Creek Site-06