Lake Frances

ILLINOIS RIVER· Adair, Oklahoma· Built 1931· 40 ft tall
Unknown Water Supply Local Government

Key Takeaway

Lake Frances is classified as unknown in Oklahoma. It was completed in 1931 and is 95 years old. Its primary use is water supply.

Physical Details

Dam Height 40 ft (taller than 83.4% in OK)
Max Storage22.5K acre-ft
Normal Storage0 acre-ft
Drainage Area635 sq mi
Year Completed1931 (95 years old)
NID IDOK00073

Safety Information

Unknown

Hazard potential has not been determined.

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

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

SILOAM SPRINGS WATER RESOURCES CO INC

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Frances?

Lake Frances is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lake Frances?

Lake Frances is owned by SILOAM SPRINGS WATER RESOURCES CO INC (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Frances built?

Lake Frances was completed in 1931, making it 95 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 Lake Frances?

Lake Frances 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 Lake Frances?

Lake Frances has a dam height of 40 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.

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.