Scs-Butler Laterals Site-006 Reservoir Report

Last Updated: December 6, 2025

SCS-Butler Laterals Site-006, located in Custer County, Oklahoma, is a state-regulated earth dam built in 1971 by the USDA NRCS with a primary purpose of flood risk reduction along the TR-Washita River.


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Summary

This 40-foot high dam has a stone core and soil foundation, with a storage capacity of 130 acre-feet and a maximum discharge of 960 cubic feet per second. The dam spans 1100 feet in length and has a controlled spillway with a width of 1 foot.

Despite being classified as having a low hazard potential, the risk assessment for SCS-Butler Laterals Site-006 indicates a very high risk level, with a DSAC assigned date and no specific risk management measures mentioned. The dam has not been inspected since 1980, with an inspection frequency of 5 years, and its condition is currently listed as not rated. Emergency action preparedness, including the existence of an Emergency Action Plan and contact information, is not documented for this site.

Overall, SCS-Butler Laterals Site-006 serves as a vital infrastructure for flood risk reduction in the area, but its outdated inspection and risk assessment data highlight the need for further evaluation and potential updates to ensure the safety and efficiency of this water resource structure in the face of changing climate conditions.

Year Completed

1971

Dam Length

1100

Dam Height

40

River Or Stream

TR-WASHITA RIVER

Primary Dam Type

Earth

Surface Area

7

Hydraulic Height

37

Nid Storage

130

Structural Height

40

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

40
       
Seasonal Comparison

Weather Forecast

Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.