Upper Rio Hondo Site No. 1 Dam
Key Takeaway
Upper Rio Hondo Site No. 1 Dam is classified as high hazard in New Mexico. It was completed in 1959 and is 67 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 | 83 ft (taller than 87.1% in NM) |
| Dam Length | 690 ft |
| Dam Type | Earth |
| Max Storage | 7.1K acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 122 sq mi |
| Max Discharge | 13,200 cfs |
| Year Completed | 1959 (67 years old) |
| NID ID | NM00221 |
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
UPPER RIO HONDO SOIL & WATER CONSERVATION DISTRICT
Local Government
Frequently Asked Questions
What is the hazard classification of Upper Rio Hondo Site No. 1 Dam?
Upper Rio Hondo Site No. 1 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 Upper Rio Hondo Site No. 1 Dam?
Upper Rio Hondo Site No. 1 Dam is owned by UPPER RIO HONDO SOIL & WATER CONSERVATION DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Upper Rio Hondo Site No. 1 Dam built?
Upper Rio Hondo Site No. 1 Dam was completed in 1959, making it 67 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 Upper Rio Hondo Site No. 1 Dam?
Upper Rio Hondo Site No. 1 Dam serves the following purposes: Flood Risk Reduction, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Upper Rio Hondo Site No. 1 Dam?
Upper Rio Hondo Site No. 1 Dam has a dam height of 83 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 Upper Rio Hondo Site No. 1 Dam last inspected?
Upper Rio Hondo Site No. 1 Dam was last inspected on April 30, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.