Glen Canyon
COLORADO RIVER·
Coconino, Arizona·
Built 1963·
Concrete·
710 ft tall
Physical Details
| Dam Height | 710 ft (taller than 99.7% in AZ) |
| Dam Length | 1,565 ft |
| Dam Type | Concrete |
| Max Storage | 29.9M acre-ft |
| Normal Storage | 27.0M acre-ft |
| Surface Area | 160,784 acres |
| Drainage Area | 108,355 sq mi |
| Max Discharge | 276,000 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | AZ10307 |
Safety Information
High Hazard
Loss of human life is likely if the dam fails
Emergency Action Plan: Yes
Last Inspection: August 26, 2020
State Regulated: No
Ownership
RECLAMATION
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Glen Canyon?
Glen Canyon is classified as High Hazard. Loss of human life is likely if the dam fails.
Who owns Glen Canyon?
Glen Canyon is owned by RECLAMATION (Federal Government).
When was Glen Canyon last inspected?
Glen Canyon was last inspected on August 26, 2020.
When was Glen Canyon built?
Glen Canyon was completed in 1963, making it 63 years old.
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.