Lake Bar-Dew Dam

UNNAMED TRIBUTARY· Washington, Oklahoma· Built 1938· Earth· 41 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Bar-Dew Dam is classified as high hazard in Oklahoma. It was completed in 1938 and is 88 years old. Its primary use is recreation. 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 41 ft (taller than 86.7% in OK)
Dam Length700 ft
Dam TypeEarth
Max Storage1.0K acre-ft
Normal Storage600 acre-ft
Surface Area44 acres
Drainage Area2 sq mi
Max Discharge13,900 cfs
Year Completed1938 (88 years old)
NID IDOK10411

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: October 27, 2022
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

SAMUEL L AND SAMUEL B COLBURN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Bar-Dew Dam?

Lake Bar-Dew Dam 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 Lake Bar-Dew Dam?

Lake Bar-Dew Dam is owned by SAMUEL L AND SAMUEL B COLBURN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Bar-Dew Dam built?

Lake Bar-Dew Dam was completed in 1938, making it 88 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 Bar-Dew Dam?

Lake Bar-Dew Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lake Bar-Dew Dam?

Lake Bar-Dew Dam has a dam height of 41 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 Lake Bar-Dew Dam last inspected?

Lake Bar-Dew Dam was last inspected on October 27, 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.