Scs-Finn Creek Site-002 Reservoir Report
Last Updated: December 13, 2025
SCS-Finn Creek Site-002 in McClain County, Oklahoma is a state-regulated earth dam designed by USDA NRCS for flood risk reduction along the TR-Finn Creek.
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Summary
Completed in 1966, this dam stands at a height of 21 feet and has a length of 1400 feet, providing a storage capacity of 532 acre-feet. The dam's spillway type is controlled with a spillway width of 1 foot, ensuring proper water discharge during heavy rainfall events.
This dam has a high hazard potential and is classified as being in fair condition. The last inspection was conducted in November 2011, with the inspection frequency set at one. The risk assessment for this structure is very high (1), indicating the need for proactive risk management measures. With a designated emergency action plan (EAP) status unclear, stakeholders should prioritize updating emergency contacts, preparing inundation maps, and ensuring that the EAP meets guidelines to effectively respond to potential dam failures and protect downstream communities and the environment.
In the event of an emergency, the valve outlet gate is the only means of water release. With the dam located in a region prone to high-risk situations, coordination among state agencies like OWRB, local authorities, and the federal government is crucial for efficient risk management and swift emergency response. Water resource and climate enthusiasts should monitor updates on the dam's condition, risk assessment, and emergency preparedness to ensure the safety and reliability of this critical infrastructure.
Year Completed |
1966 |
Dam Length |
1400 |
Dam Height |
21 |
River Or Stream |
TR-FINN CREEK |
Primary Dam Type |
Earth |
Surface Area |
31 |
Hydraulic Height |
21 |
Nid Storage |
532 |
Structural Height |
21 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Walnut Creek At Purcell
|
28cfs |
North Criner Creek Near Criner
|
1cfs |
Canadian River At Purcell
|
201cfs |
Washita River Near Pauls Valley
|
327cfs |
Washita River At Alex
|
236cfs |
Canadian River At Norman
|
213cfs |
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.
Scs-Finn Creek Site-002