Rim Dike 1
Key Takeaway
Rim Dike 1 is classified as high hazard in Oklahoma. It was completed in 1968 and is 58 years old. Its primary use is hydroelectric. 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 | 15 ft (taller than 1% in OK) |
| Dam Length | 3,000 ft |
| Max Storage | 48.2K acre-ft |
| Normal Storage | 48.2K acre-ft |
| Surface Area | 742 acres |
| Year Completed | 1968 (58 years old) |
| NID ID | OK00136 |
Safety Information
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?
Ownership
Grand River Dam Authority
State Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rim Dike 1?
Rim Dike 1 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 Rim Dike 1?
Rim Dike 1 is owned by Grand River Dam Authority (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rim Dike 1 built?
Rim Dike 1 was completed in 1968, making it 58 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 Rim Dike 1?
Rim Dike 1 serves the following purposes: Hydroelectric. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rim Dike 1?
Rim Dike 1 has a dam height of 15 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 Rim Dike 1 last inspected?
Rim Dike 1 was last inspected on September 29, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.