Scs-Mill Creek Site-03 Reservoir Report

Last Updated: December 18, 2025

SCS-Mill Creek Site-03 in Murray, Oklahoma, is a state-regulated dam designed by USDA NRCS with a primary purpose of flood risk reduction.


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Summary

Completed in 1958, this Earth-type dam stands at a height of 16 feet and has a hydraulic height of 11 feet, providing a maximum storage capacity of 88 acre-feet. The dam, located on TR-Mill Creek, is under the jurisdiction of the Oklahoma Water Resources Board and undergoes regular inspections and enforcement to ensure its structural integrity.

Despite its low hazard potential, SCS-Mill Creek Site-03 poses a very high risk due to its location and the potential consequences of failure. The dam features a controlled spillway and a single valve outlet gate for water management. While it has not been rated for its current condition, the dam has not been modified since its completion and is in need of a comprehensive assessment. With a risk assessment rating of 1, it is crucial for stakeholders to prioritize risk management measures and ensure that emergency action plans are in place and up to date to mitigate potential hazards.

As water resource and climate enthusiasts, it is important to monitor and advocate for the proper maintenance and assessment of structures like SCS-Mill Creek Site-03 to ensure their safety and effectiveness in managing flood risks. Collaboration between state regulatory agencies, dam owners, and the community is vital in implementing necessary measures to address the high-risk factors associated with this dam and protect the surrounding area from potential inundation events.

Year Completed

1958

Dam Length

1050

Dam Height

16

River Or Stream

TR-MILL CREEK

Primary Dam Type

Earth

Surface Area

12

Hydraulic Height

11

Nid Storage

88

Structural Height

16

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

16
       
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.