Ward Lake Reservoir Report

Last Updated: December 5, 2025

Ward Lake, located in Tulsa, Oklahoma, is a privately owned water resource that serves as a vital source for the surrounding community.


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Summary

This Earth-type dam, completed in 1960, stands at a height of 25 feet and has a storage capacity of 39 acre-feet. The lake covers a surface area of 3 acres and is fed by TR-BLACKJACK CREEK, providing a scenic and tranquil environment for both residents and wildlife.

Despite its low hazard potential, Ward Lake has a very high risk assessment rating, emphasizing the importance of regular inspections and maintenance. The dam is regulated by the Oklahoma Water Resources Board and meets state permitting, inspection, and enforcement requirements. With a controlled spillway and valve outlet gates, the lake is equipped to handle a maximum discharge of 450 cubic feet per second, ensuring the safety and stability of the structure.

For water resource and climate enthusiasts, Ward Lake offers a fascinating case study in dam infrastructure and management. From its stone core and soil foundation to its 950-foot length and 17-acre storage capacity, the lake presents a unique blend of natural beauty and engineered design. With a focus on safety and environmental sustainability, Ward Lake serves as a valuable resource for the local community and a reminder of the importance of responsible water management in the face of changing climate conditions.

Year Completed

1960

Dam Length

950

Dam Height

25

River Or Stream

TR-BLACKJACK CREEK

Primary Dam Type

Earth

Surface Area

3

Hydraulic Height

25

Drainage Area

0.18

Nid Storage

39

Structural Height

25

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

25
       
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.