Scs-Little Deep Fork Creek Site-40 Reservoir Report

Last Updated: December 6, 2025

SCS-Little Deep Fork Creek Site-40, located in Slick, Oklahoma, is a state-regulated earth dam designed by the USDA NRCS for flood risk reduction on the Morgan Creek.


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Summary

Built in 1960, this dam stands at a height of 22 feet and spans 1710 feet in length, with a storage capacity of 422 acre-feet. The dam's spillway is of the controlled type, with a width of 1 foot, and it features a single valve outlet gate.

Despite being assessed as having a low hazard potential, this dam poses a very high risk due to its location and structural characteristics. The condition of the dam has not been rated, with the last inspection conducted in 1980. The dam's emergency action plan (EAP) status, risk management measures, and inundation maps prepared are all currently unknown. It is essential for water resource and climate enthusiasts to monitor and advocate for the regular inspection and maintenance of SCS-Little Deep Fork Creek Site-40 to ensure the safety and integrity of this critical flood risk reduction infrastructure.

Year Completed

1960

Dam Length

1710

Dam Height

22

River Or Stream

MORGAN CR

Primary Dam Type

Earth

Surface Area

21

Hydraulic Height

22

Nid Storage

422

Structural Height

22

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

22
       
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.