Garland Rodgers Reservoir Report

Last Updated: December 6, 2025

Garland Rodgers is a privately owned earth dam located in Caddo, Oklahoma, along the Washita River.


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Summary

Completed in 1989, this structure serves a primary purpose that is classified as "Other," with a low hazard potential and a very high risk assessment rating. The dam has a height of 42 feet and a storage capacity of 66 acre-feet, with a normal storage level of 16 acre-feet.

Managed by the Oklahoma Water Resources Board, Garland Rodgers is subject to state regulation, permitting, inspection, and enforcement. The dam features a controlled spillway with a width of 1 foot and an outlet gate consisting of a single valve. Although the condition assessment is currently listed as "Not Rated," the inspection frequency is every 5 years, with the last inspection conducted in September 2010.

For water resource and climate enthusiasts, Garland Rodgers presents an intriguing case study in dam management and risk assessment. With its unique design features and location on the Washita River, this privately owned structure highlights the importance of state regulation and monitoring to ensure the safety and integrity of water infrastructure. Despite its low hazard potential, the very high risk assessment rating underscores the need for ongoing maintenance and attention to mitigate potential threats and safeguard downstream communities and ecosystems.

Year Completed

1989

Dam Height

42

River Or Stream

WASHITA

Primary Dam Type

Earth

Hydraulic Height

42

Drainage Area

335

Nid Storage

66

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.