Scs-Okfuskee Tributaries Site-B4 Reservoir Report
Last Updated: December 12, 2025
The SCS-Okfuskee Tributaries Site-B4 in Okfuskee, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS for flood risk reduction along the TR-DEEP FORK RIV.
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Summary
Completed in 1977, this dam stands at a height of 28 feet with a length of 800 feet, providing a storage capacity of 347 acre-feet. With a controlled spillway and low hazard potential, this dam serves its primary purpose effectively.
Owned by the state and regulated by the OWRB, the SCS-Okfuskee Tributaries Site-B4 has not been inspected since 1980 but has a very high risk assessment due to its age and lack of recent evaluations. Despite being in a not rated condition, the dam still plays a crucial role in mitigating flood risks in the area. With only one outlet gate and no locks, this dam requires regular maintenance and monitoring to ensure its continued functionality for the surrounding community.
Located in WELBY, Oklahoma, this earth dam serves as a vital infrastructure for flood risk reduction in the region. With its stone core and soil foundation, the SCS-Okfuskee Tributaries Site-B4 is an essential component of the water resource management system in Okfuskee County. As climate change continues to impact water availability and extreme weather events, the maintenance and upkeep of dams like this one are crucial for ensuring the safety and security of local communities.
Year Completed |
1977 |
Dam Length |
800 |
Dam Height |
28 |
River Or Stream |
TR-DEEP FORK RIV |
Primary Dam Type |
Earth |
Surface Area |
7 |
Hydraulic Height |
28 |
Nid Storage |
347 |
Structural Height |
28 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
28 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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-Okfuskee Tributaries Site-B4