Pensacola - Wyandotte Levee

Grand River· Ottawa, Oklahoma· Built 1941· Gravity· 11 ft tall
High Hazard Flood Risk Reduction State Government

Key Takeaway

Pensacola - Wyandotte Levee is classified as high hazard in Oklahoma. It was completed in 1941 and is 85 years old. Its primary use is flood risk reduction. 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 11 ft (taller than 0.3% in OK)
Dam Length1,300 ft
Dam TypeGravity
Max Storage0 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1941 (85 years old)
NID IDOK00135

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 21, 2014
State Regulated: No

Ownership

Grand River Dam Authority

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pensacola - Wyandotte Levee?

Pensacola - Wyandotte Levee 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 Pensacola - Wyandotte Levee?

Pensacola - Wyandotte Levee is owned by Grand River Dam Authority (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pensacola - Wyandotte Levee built?

Pensacola - Wyandotte Levee was completed in 1941, making it 85 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 Pensacola - Wyandotte Levee?

Pensacola - Wyandotte Levee serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Pensacola - Wyandotte Levee?

Pensacola - Wyandotte Levee has a dam height of 11 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 Pensacola - Wyandotte Levee last inspected?

Pensacola - Wyandotte Levee was last inspected on October 21, 2014. 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.