Scs-Rush Creek Site-045 Reservoir Report

Last Updated: December 7, 2025

SCS-Rush Creek Site-045, also known as Rush Creek, Site No 45, is a state-owned dam located in Purdy, Oklahoma.


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Summary

Built by the USDA NRCS in 1965, this earth dam stands at a height of 42 feet and serves the primary purpose of flood risk reduction along the TR-Rush Creek river or stream. With a normal storage capacity of 47 acre-feet and a maximum discharge of 890 cubic feet per second, this structure plays a crucial role in managing water levels and mitigating potential flooding in the area.

Despite its low hazard potential and unassessed condition, SCS-Rush Creek Site-045 is regulated by the Oklahoma Water Resources Board and undergoes inspections every 5 years. The dam features a controlled spillway, a stone core, and a soil foundation, with a single valve outlet gate for water release. While the dam has not been modified in recent years and lacks emergency action plans, its risk assessment is classified as very high, highlighting the importance of continued monitoring and maintenance to ensure the safety and integrity of this essential flood control structure in Grady County, Oklahoma.

As water resource and climate enthusiasts, it is crucial to recognize the significance of infrastructure like SCS-Rush Creek Site-045 in safeguarding communities against potential water-related disasters. By understanding its design, purpose, and regulatory framework, we can appreciate the vital role that dams play in managing water resources and protecting vulnerable areas from the impacts of extreme weather events. As we strive to address the growing challenges of climate change and water management, ensuring the resilience and effectiveness of structures like SCS-Rush Creek Site-045 will be essential for building a sustainable and secure future for all.

Year Completed

1965

Dam Length

700

Dam Height

42

River Or Stream

TR-RUSH CREEK

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

38

Nid Storage

137

Structural Height

42

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

42
       
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.
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