Heron
Key Takeaway
Heron is classified as high hazard in New Mexico. It was completed in 1970 and is 56 years old. Its primary use is irrigation. 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 | 269 ft (taller than 98.2% in NM) |
| Dam Length | 1,220 ft |
| Dam Type | Rockfill |
| Max Storage | 429.6K acre-ft |
| Normal Storage | 401.3K acre-ft |
| Surface Area | 6,148 acres |
| Drainage Area | 193 sq mi |
| Max Discharge | 660 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | NM00122 |
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 Heron?
Heron 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 Heron?
Heron is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Heron built?
Heron was completed in 1970, making it 56 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 Heron?
Heron serves the following purposes: Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Heron?
Heron has a dam height of 269 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 Heron last inspected?
Heron was last inspected on July 28, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.