Scs-Delaware Creek Site-012 Reservoir Report
Last Updated: December 6, 2025
SCS-Delaware Creek Site-012, located in Johnston County, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS for flood risk reduction on the Wide Springs Branch.
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Summary
Built in 1965, this dam stands at a height of 32 feet and has a hydraulic height of 28 feet, with a maximum storage capacity of 608 acre-feet. The dam spans a length of 3310 feet and features a controlled spillway with a width of 1 foot.
Despite being rated as having low hazard potential and not currently assessed for condition, SCS-Delaware Creek Site-012 poses a very high risk in terms of flood management, with a very high risk assessment score of 1. With an inspection frequency of 5 years, the dam has a valve outlet gate and has not been modified in recent years. The site falls under the jurisdiction of the Oklahoma Water Resources Board and is maintained by the state for inspection, enforcement, and permitting purposes, ensuring its continued functionality for flood risk mitigation in the region.
Year Completed |
1965 |
Dam Length |
3310 |
Dam Height |
32 |
River Or Stream |
WIDE SPRINGS BRANCH |
Primary Dam Type |
Earth |
Surface Area |
18 |
Hydraulic Height |
28 |
Nid Storage |
608 |
Structural Height |
32 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
32 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Blue River Near Connerville
|
54cfs |
Pennington Creek Near Reagan
|
7cfs |
Clear Boggy Creek Near Caney
|
423cfs |
Rock Creek At Sulphur
|
8cfs |
Blue River Near Blue
|
58cfs |
Washita River Near Dickson
|
317cfs |
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-Delaware Creek Site-012