Garland Stevens Reservoir Report

Last Updated: December 6, 2025

Garland Stevens is a private dam located in Verden, Oklahoma, with a primary purpose categorized as 'Other'.


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Summary

This Earth-type dam stands at a height of 30 feet and has a length of 380 feet, completed in the year 1960. It has a storage capacity of 600 acre-feet and a maximum discharge rate of 1820 cubic feet per second. The dam is regulated by the Oklahoma Water Resources Board and is subject to state permitting, inspection, and enforcement.

Despite being classified as having a low hazard potential, Garland Stevens is considered to have a very high risk, with a Risk Assessment rating of 1. The dam has not been rated for its condition assessment, and the last inspection was conducted in November 2001. It is equipped with a controlled spillway, one valve outlet gate, and is located on the TR-Sugar Creek in Caddo County, Oklahoma. The dam is located within the jurisdiction of the Tulsa District of the US Army Corps of Engineers, with no associated federal agency ownership or funding.

Water resource and climate enthusiasts may find Garland Stevens to be an intriguing structure due to its unique design and risk assessment. The dam's location on the TR-Sugar Creek provides important water management functions for the surrounding area, with a storage capacity of 600 acre-feet. While the dam is privately owned and operated, it is subject to state regulation by the Oklahoma Water Resources Board, ensuring compliance with permitting, inspection, and enforcement measures to maintain public safety and water resource management in the region.

Year Completed

1960

Dam Length

380

Dam Height

30

River Or Stream

TR-SUGAR CR

Primary Dam Type

Earth

Hydraulic Height

30

Nid Storage

600

Structural Height

30

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

30
       
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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