Alto Lake Dam
Key Takeaway
Alto Lake Dam is classified as high hazard in New Mexico. It was completed in 1965 and is 61 years old. Its primary use is water supply. 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 | 51 ft (taller than 72.4% in NM) |
| Dam Length | 362 ft |
| Dam Type | Earth |
| Max Storage | 449 acre-ft |
| Normal Storage | 300 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 13 sq mi |
| Max Discharge | 2,827 cfs |
| Year Completed | 1965 (61 years old) |
| NID ID | NM00180 |
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
VILLAGE OF RUIDOSO
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Alto Lake Dam?
Alto Lake Dam 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 Alto Lake Dam?
Alto Lake Dam is owned by VILLAGE OF RUIDOSO (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Alto Lake Dam built?
Alto Lake Dam was completed in 1965, making it 61 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 Alto Lake Dam?
Alto Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Alto Lake Dam?
Alto Lake Dam has a dam height of 51 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 Alto Lake Dam last inspected?
Alto Lake Dam was last inspected on April 30, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.