Shawnee City Lake No. 2 Reservoir Report

Last Updated: December 9, 2025

Shawnee City Lake No.


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Summary

2, located in Bethel Acres, Oklahoma, is a vital water supply resource managed by the local government. Constructed in 1960 by BENHAM CO., this earth dam spans 3650 feet in length and reaches a height of 50 feet, with a storage capacity of 18,900 acre-feet. The dam regulates the flow of South Deer Creek and serves as a critical water source for the area, with a maximum discharge capacity of 31,000 cubic feet per second.

Despite its age, the dam is regularly inspected and maintained by the Oklahoma Water Resources Board to ensure its structural integrity and safety. With a high hazard potential but fair condition assessment, the dam is considered to be at very high risk, emphasizing the importance of continued monitoring and risk management measures. The controlled spillway and valve outlet gates are key components of the dam's design, allowing for controlled water release during periods of high inflow.

Water resource and climate enthusiasts will find Shawnee City Lake No. 2 to be a significant infrastructure project that plays a crucial role in providing water supply to the residents of Pottawatomie County, Oklahoma. Its strategic location and design reflect a commitment to sustainable water management practices, ensuring the continued availability of water resources for the community. As a regulated and inspected dam, Shawnee City Lake No. 2 serves as a testament to effective water resource management and highlights the importance of resilience in the face of changing climate conditions.

Year Completed

1960

Dam Length

3650

Dam Height

50

River Or Stream

SOUTH DEER CR

Primary Dam Type

Earth

Surface Area

1100

Hydraulic Height

50

Drainage Area

11.4

Nid Storage

18900

Structural Height

50

Outlet Gates

Valve - 1

Hazard Potential

High

Foundations

Soil

Nid Height

50
       
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.