Young Glen Reservoir Report

Last Updated: December 5, 2025

Young Glen is a privately owned Earth dam located in Sapulpa, Oklahoma, along Skull Creek.


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Summary

It was completed in 1965 with a primary purpose of flood risk reduction. The dam stands at 28 feet in height and spans 550 feet in length, providing a storage capacity of 140 acre-feet. With a controlled spillway and a maximum discharge of 4600 cubic feet per second, Young Glen has been deemed to have a low hazard potential despite its very high risk assessment rating.

Managed by the Oklahoma Water Resources Board, Young Glen is subject to state regulation, permitting, inspection, and enforcement. The dam is equipped with a single valve outlet gate and has a designated inspection frequency of 5 years. Although the condition assessment is currently not rated, the dam's risk management measures are not specified, leaving room for potential improvements in the future. Young Glen's location in Creek County adds to the significance of its role in flood protection for the surrounding area.

Year Completed

1965

Dam Length

550

Dam Height

28

River Or Stream

SKULL CREEK

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

28

Nid Storage

140

Structural Height

28

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

28
       
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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.