Brantley
Key Takeaway
Brantley is classified as high hazard in New Mexico. It was completed in 1989 and is 37 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 | 144 ft (taller than 94.5% in NM) |
| Dam Length | 20,850 ft |
| Dam Type | Concrete |
| Max Storage | 966.3K acre-ft |
| Normal Storage | 41.1K acre-ft |
| Surface Area | 39,301 acres |
| Drainage Area | 16,406 sq mi |
| Max Discharge | 352,000 cfs |
| Year Completed | 1989 (37 years old) |
| NID ID | NM00500 |
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
RECLAMATION
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Brantley?
Brantley 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 Brantley?
Brantley is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Brantley built?
Brantley was completed in 1989, making it 37 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 Brantley?
Brantley serves the following purposes: Flood Risk Reduction, Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Brantley?
Brantley has a dam height of 144 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 Brantley last inspected?
Brantley was last inspected on August 11, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.