Woodruff Narrows
Key Takeaway
Woodruff Narrows is classified as high hazard in Wyoming. It was completed in 1962 and is 64 years old. Its primary use is irrigation. 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 | 68 ft (taller than 96.7% in WY) |
| Dam Length | 620 ft |
| Dam Type | Earth |
| Max Storage | 102.0K acre-ft |
| Normal Storage | 57.3K acre-ft |
| Surface Area | 2,312 acres |
| Drainage Area | 870 sq mi |
| Max Discharge | 11,000 cfs |
| Year Completed | 1962 (64 years old) |
| Year Modified | 1980 |
| NID ID | WY01197 |
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
WOODRUFF NARROWS RESERVOIR ASSOCIATION
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Woodruff Narrows?
Woodruff Narrows 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 Woodruff Narrows?
Woodruff Narrows is owned by WOODRUFF NARROWS RESERVOIR ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Woodruff Narrows built?
Woodruff Narrows was completed in 1962, making it 64 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 Woodruff Narrows?
Woodruff Narrows serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Woodruff Narrows?
Woodruff Narrows has a dam height of 68 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 Woodruff Narrows last inspected?
Woodruff Narrows was last inspected on July 25, 2023. Inspection dates indicate when a formal review occurred, not the results of that inspection.