Scs-Caddo Creek Site-13 Reservoir Report

Last Updated: December 20, 2025

SCS-Caddo Creek Site-13, also known as Ardmore Reservoir, is a crucial water supply infrastructure located in Carter County, Oklahoma.


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Summary

Managed by the USDA NRCS, this earth dam structure on Philips Creek was completed in 1969 and serves the primary purpose of water supply. With a dam height of 59 feet and a storage capacity of 11,170 acre-feet, this reservoir plays a vital role in meeting the water needs of the region.

The dam's controlled spillway and valve outlet system ensure effective management of water levels, while its fair condition assessment and high hazard potential underscore the importance of regular inspections and maintenance. Despite its age, SCS-Caddo Creek Site-13 continues to provide vital water resources to the community, with a surface area of 462 acres and a drainage area of 17.38 square miles. The reservoir's very high risk assessment rating indicates the need for proactive risk management measures to safeguard against potential emergencies.

As part of the state-regulated water resource infrastructure, SCS-Caddo Creek Site-13 falls under the jurisdiction of the Oklahoma Water Resources Board (OWRB), with state permitting, inspection, and enforcement in place to ensure compliance with safety and environmental standards. The reservoir's strategic location in Ardmore, along with its association with the Natural Resources Conservation Service, highlights its significance in sustaining water availability for the region. For water resource and climate enthusiasts, SCS-Caddo Creek Site-13 serves as a fascinating example of essential infrastructure that plays a critical role in supporting the water needs of communities in Oklahoma.

Year Completed

1969

Dam Length

5550

Dam Height

59

River Or Stream

PHILIPS CREEK

Primary Dam Type

Earth

Surface Area

462

Hydraulic Height

55

Drainage Area

17.38

Nid Storage

11170

Structural Height

59

Outlet Gates

Valve - 1

Hazard Potential

High

Foundations

Soil

Nid Height

59
       
Seasonal Comparison

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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.