Scs-Rock Creek Site-16 Reservoir Report
Last Updated: December 16, 2025
SCS-Rock Creek Site-16, located in Sulphur, Oklahoma, is a state-owned earth dam designed by the USDA NRCS in 1961 for the primary purpose of flood risk reduction along the TR-Rock Creek.
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Summary
The dam stands at a height of 41 feet with a hydraulic height of 37 feet and a structural height of 41 feet, providing a maximum storage capacity of 608 acre-feet and a normal storage of 53 acre-feet. With a spillway type of "Controlled" and a spillway width of 1 foot, the dam has the capacity to handle a maximum discharge of 2100 cubic feet per second, serving as a vital infrastructure for managing water resources in the region.
Despite being classified as having a high hazard potential and fair condition assessment, SCS-Rock Creek Site-16 has undergone regular inspections with the last one conducted in October 2011. The dam features one outlet gate and is regulated by the Oklahoma Water Resources Board (OWRB), with state jurisdiction, permitting, inspection, and enforcement in place. The risk assessment for the dam is rated as "Very High (1)", highlighting the importance of effective risk management measures to ensure the safety and integrity of the structure for both flood control and water resource management purposes.
Overall, SCS-Rock Creek Site-16 plays a crucial role in mitigating flood risks along Rock Creek in Murray County, Oklahoma. Managed by state authorities and designed by the USDA NRCS, the dam's strategic location and design features make it a key component of the region's water resource infrastructure. With a focus on flood risk reduction and a history dating back to 1961, the dam continues to be a vital asset for protecting local communities and safeguarding water resources in the area.
Year Completed |
1961 |
Dam Length |
1600 |
Dam Height |
41 |
River Or Stream |
TR-ROCK CREEK |
Primary Dam Type |
Earth |
Surface Area |
12 |
Hydraulic Height |
37 |
Nid Storage |
608 |
Structural Height |
41 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
41 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Rock Creek At Sulphur
|
8cfs |
Pennington Creek Near Reagan
|
47cfs |
Washita River Near Dickson
|
317cfs |
Washita River Near Pauls Valley
|
324cfs |
Blue River Near Connerville
|
47cfs |
Little River Near Sasakwa
|
8cfs |
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-Rock Creek Site-16