Scs-Finn Creek Site-001 Reservoir Report
Last Updated: December 13, 2025
SCS-Finn Creek Site-001 is a state-regulated dam located in McClain, Oklahoma, with a primary purpose of flood risk reduction.
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Summary
Built in 1966 by the USDA NRCS, this earth dam stands at 29 feet high and spans a length of 1220 feet along the TR-Finn Creek. With a storage capacity of 475 acre-feet, the dam is equipped with a controlled spillway and a valve outlet gate to manage water flow and prevent potential hazards.
Despite being assessed as in fair condition, SCS-Finn Creek Site-001 is categorized as having a significant hazard potential, with a very high risk assessment ranking. The dam is subject to regular inspections, with the last one conducted in November 2011 and an inspection frequency of every 3 years. The dam's emergency action plan status, preparedness guidelines, and risk management measures are not clearly documented, pointing to potential areas for improvement in ensuring the safety and resilience of the structure in the face of climate change impacts and water resource management challenges.
Overall, SCS-Finn Creek Site-001 serves as a critical infrastructure for flood risk reduction in the region, highlighting the importance of ongoing monitoring, maintenance, and preparedness efforts in safeguarding communities and ecosystems downstream. As water resource and climate enthusiasts, understanding the complexities and vulnerabilities of such structures is essential for advocating for sustainable and resilient water management practices in the face of a changing climate.
Year Completed |
1966 |
Dam Length |
1220 |
Dam Height |
29 |
River Or Stream |
TR-FINN CREEK |
Primary Dam Type |
Earth |
Surface Area |
15 |
Hydraulic Height |
29 |
Nid Storage |
475 |
Structural Height |
29 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
29 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
North Criner Creek Near Criner
|
1cfs |
Walnut Creek At Purcell
|
28cfs |
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-001