East Pre-Sedimentation Basin

VERDIGRIS RIVER-OLD CHANNEL· Wagoner, Oklahoma· Built 2012· Earth· 28 ft tall
High Hazard Water Supply Local Government

Key Takeaway

East Pre-Sedimentation Basin is classified as high hazard in Oklahoma. It was completed in 2012 and is 14 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 28 ft (taller than 47.3% in OK)
Dam Length3,600 ft
Dam TypeEarth
Max Storage342 acre-ft
Normal Storage266 acre-ft
Surface Area21 acres
Drainage Area21 sq mi
Max Discharge20 cfs
Year Completed2012 (14 years old)
NID IDOK30398

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: November 29, 2022
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

BROKEN ARROW MUNICIPAL AUTHORITY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of East Pre-Sedimentation Basin?

East Pre-Sedimentation Basin 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 East Pre-Sedimentation Basin?

East Pre-Sedimentation Basin is owned by BROKEN ARROW MUNICIPAL AUTHORITY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was East Pre-Sedimentation Basin built?

East Pre-Sedimentation Basin was completed in 2012, making it 14 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 East Pre-Sedimentation Basin?

East Pre-Sedimentation Basin 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 East Pre-Sedimentation Basin?

East Pre-Sedimentation Basin has a dam height of 28 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 East Pre-Sedimentation Basin last inspected?

East Pre-Sedimentation Basin was last inspected on November 29, 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.