Scs-Maysville Laterals Site-B5 Reservoir Report
Last Updated: December 14, 2025
SCS-Maysville Laterals Site-B5 is a state-owned flood risk reduction structure located in Garvin, Oklahoma along TR-BEEF CREEK.
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Summary
Completed in 1976 by USDA NRCS, this earth dam stands at a height of 28 feet and has a length of 1260 feet, providing a maximum storage capacity of 260 acre-feet. The dam's primary purpose is flood risk reduction, with a spillway type of controlled and a hazard potential rated as significant.
Despite being in fair condition according to a 2011 assessment, the structure is deemed to have a very high risk level. The dam is regulated by OWRB and undergoes regular state inspections and enforcement. In case of emergencies, the dam has one valve outlet gate for water release. Overall, SCS-Maysville Laterals Site-B5 serves as a crucial infrastructure for managing flood risks in the area while also highlighting the importance of monitoring and maintaining such essential water resource structures.
Year Completed |
1976 |
Dam Length |
1260 |
Dam Height |
28 |
River Or Stream |
TR-BEEF CREEK |
Primary Dam Type |
Earth |
Surface Area |
4 |
Hydraulic Height |
28 |
Drainage Area |
0.45 |
Nid Storage |
260 |
Structural Height |
28 |
Outlet Gates |
Valve - 1 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
28 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Washita River Near Pauls Valley
|
317cfs |
Walnut Creek At Purcell
|
29cfs |
Canadian River At Purcell
|
197cfs |
North Criner Creek Near Criner
|
1cfs |
Washita River At Alex
|
229cfs |
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-Maysville Laterals Site-B5