Scs-Cobb Creek Site-003 Reservoir Report
Last Updated: December 6, 2025
SCS-Cobb Creek Site-003, also known as Worth Richamond Lake, is a state-owned earth dam located in Colony, Oklahoma.
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Summary
Built in 1957 by the USDA NRCS, this dam serves as a key flood risk reduction structure along Spring Creek in Washita County. With a height of 38 feet and a length of 1477 feet, the dam has a storage capacity of 3090 acre-feet and covers a surface area of 43 acres.
The dam is regulated by the Oklahoma Water Resources Board (OWRB) and undergoes regular state inspections and enforcement measures to ensure its safety and functionality. Despite being classified as having a high hazard potential, the dam's condition assessment is rated as fair. It is equipped with a controlled spillway and a single slide gate for outlet control. The risk assessment for SCS-Cobb Creek Site-003 indicates a very high risk level, emphasizing the importance of ongoing monitoring and maintenance to mitigate potential hazards.
Overall, SCS-Cobb Creek Site-003 plays a crucial role in managing flood risks in the region and protecting the surrounding community. With its strategic location and state-of-the-art design, this dam exemplifies the ongoing efforts to enhance water resource management and climate resilience in Oklahoma. It stands as a testament to the collaborative efforts between state agencies and federal designers to safeguard the local environment and ensure the safety of residents downstream.
Year Completed |
1957 |
Dam Length |
1477 |
Dam Height |
38 |
River Or Stream |
SPRING CR |
Primary Dam Type |
Earth |
Surface Area |
43 |
Hydraulic Height |
38 |
Drainage Area |
8 |
Nid Storage |
3090 |
Structural Height |
38 |
Outlet Gates |
Slide (sluice gate) - 1 |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
38 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Cobb Creek Near Eakly
|
16cfs |
Lake Creek Near Eakly
|
4cfs |
Willow Creek Near Albert
|
2cfs |
Washita River Near Clinton
|
32cfs |
Cobb Creek Near Fort Cobb
|
4cfs |
Canadian River At Bridgeport
|
126cfs |
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-Cobb Creek Site-003