Scs-Upper Elk Creek Site-26 Reservoir Report
Last Updated: January 11, 2026
SCS-Upper Elk Creek Site-26, located in Hobart, Oklahoma, is a state-regulated earth dam designed by USDA NRCS in 1973 for flood risk reduction along the TR-Elk Creek.
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Summary
The dam stands at a height of 22 feet with a hydraulic height of 19 feet, providing a storage capacity of 285 acre-feet. With a controlled spillway and a maximum discharge rate of 925 cubic feet per second, the dam serves as a crucial infrastructure for managing water resources in the area.
Despite being categorized with a low hazard potential, the dam at SCS-Upper Elk Creek Site-26 faces a high-risk assessment due to its very high risk factor rating. The condition of the dam has not been rated since its last inspection in 1980, and it lacks an emergency action plan (EAP) and updated inundation maps. However, with state permitting, inspection, and enforcement in place, the dam continues to play a vital role in mitigating flood risks in the region. Water resource and climate enthusiasts would find this site to be an interesting case study in dam infrastructure management and risk assessment.
Year Completed |
1973 |
Dam Length |
1750 |
Dam Height |
22 |
River Or Stream |
TR-ELK CREEK |
Primary Dam Type |
Earth |
Surface Area |
24 |
Hydraulic Height |
19 |
Nid Storage |
285 |
Structural Height |
22 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
22 |
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-Upper Elk Creek Site-26