Anthony Arroyo Dam No. 1
Key Takeaway
Anthony Arroyo Dam No. 1 is classified as high hazard in New Mexico. It was completed in 1974 and is 52 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 | 35 ft (taller than 57.4% in NM) |
| Dam Length | 2,165 ft |
| Dam Type | Earth |
| Max Storage | 1.0K acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 12,900 cfs |
| Year Completed | 1974 (52 years old) |
| NID ID | NM00236 |
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
ELEPHANT BUTTE IRRIGATION DISTRICT
Local Government
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High Hazard 41 ftFrequently Asked Questions
What is the hazard classification of Anthony Arroyo Dam No. 1?
Anthony Arroyo Dam No. 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 Anthony Arroyo Dam No. 1?
Anthony Arroyo Dam No. 1 is owned by ELEPHANT BUTTE IRRIGATION DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Anthony Arroyo Dam No. 1 built?
Anthony Arroyo Dam No. 1 was completed in 1974, making it 52 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 Anthony Arroyo Dam No. 1?
Anthony Arroyo Dam No. 1 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 Anthony Arroyo Dam No. 1?
Anthony Arroyo Dam No. 1 has a dam height of 35 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 Anthony Arroyo Dam No. 1 last inspected?
Anthony Arroyo Dam No. 1 was last inspected on November 4, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.