Cedar Isle

TRIBUTARY TO STILLWATER CREEK· Payne, Oklahoma· Built 1950· Earth· 19 ft tall
High Hazard Flood Risk Reduction Private

Key Takeaway

Cedar Isle is classified as high hazard in Oklahoma. It was completed in 1950 and is 76 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 19 ft (taller than 10.2% in OK)
Dam Length425 ft
Dam TypeEarth
Max Storage99 acre-ft
Normal Storage35 acre-ft
Surface Area19 acres
Drainage Area0 sq mi
Max Discharge2,356 cfs
Year Completed1950 (76 years old)
NID IDOK11115

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 12, 2022
State Regulated: Yes
Regulatory Agency: OWRB

Ownership

SANGRE RIDGE HOMEOWNERS CORP

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cedar Isle?

Cedar Isle 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 Cedar Isle?

Cedar Isle is owned by SANGRE RIDGE HOMEOWNERS CORP (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cedar Isle built?

Cedar Isle was completed in 1950, making it 76 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 Cedar Isle?

Cedar Isle 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 Cedar Isle?

Cedar Isle has a dam height of 19 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 Cedar Isle last inspected?

Cedar Isle was last inspected on November 12, 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.