Jim Hall Lake

WOLF CREEK· Okmulgee, Oklahoma· Built 1928· Earth· 49 ft tall
High Hazard Water Supply Local Government

Key Takeaway

Jim Hall Lake is classified as high hazard in Oklahoma. It was completed in 1928 and is 98 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 49 ft (taller than 93.9% in OK)
Dam Length2,400 ft
Dam TypeEarth
Max Storage11.6K acre-ft
Normal Storage6.7K acre-ft
Surface Area525 acres
Drainage Area20 sq mi
Max Discharge26,600 cfs
Year Completed1928 (98 years old)
NID IDOK10237

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: December 15, 2022
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

CITY OF HENRYETTA

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Jim Hall Lake?

Jim Hall Lake is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Jim Hall Lake?

Jim Hall Lake is owned by CITY OF HENRYETTA (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Jim Hall Lake built?

Jim Hall Lake was completed in 1928, making it 98 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Jim Hall Lake?

Jim Hall Lake serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Jim Hall Lake?

Jim Hall Lake has a dam height of 49 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Jim Hall Lake last inspected?

Jim Hall Lake was last inspected on December 15, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.