Scs-Mill Creek Site-10 Reservoir Report
Last Updated: December 19, 2025
SCS-Mill Creek Site-10 in Murray, Oklahoma, is a state-regulated earth dam constructed in 1957 by the USDA NRCS for flood risk reduction along TR-Mill Creek.
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Summary
The dam stands at 21 feet high with a hydraulic height of 17 feet and a length of 1000 feet, providing a storage capacity of 200 acre-feet. Despite its low hazard potential, the dam is categorized as having a very high risk due to its age and lack of recent condition assessments.
Owned by the state and regulated by the OWRB, SCS-Mill Creek Site-10 has a controlled spillway and a single valve outlet gate. Although it has not been inspected since 1980, the dam is subject to regular state permitting, inspection, and enforcement. With a risk assessment rating of 1 (very high), there is a need for updated assessments, emergency action plans, and risk management measures to ensure the safety and functionality of this critical infrastructure for water resource and climate enthusiasts in the region.
Year Completed |
1957 |
Dam Length |
1000 |
Dam Height |
21 |
River Or Stream |
TR-MILL CREEK |
Primary Dam Type |
Earth |
Surface Area |
15 |
Hydraulic Height |
17 |
Nid Storage |
200 |
Structural Height |
21 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Rock Creek At Sulphur
|
8cfs |
Pennington Creek Near Reagan
|
57cfs |
Washita River Near Dickson
|
319cfs |
Blue River Near Connerville
|
49cfs |
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-10