Throttle Dam No. 2
Key Takeaway
Throttle Dam No. 2 is classified as high hazard in New Mexico. It was completed in 1914 and is 112 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 | 67 ft (taller than 82.2% in NM) |
| Dam Length | 1,050 ft |
| Dam Type | Earth |
| Max Storage | 5.0K acre-ft |
| Normal Storage | 2.9K acre-ft |
| Drainage Area | 48 sq mi |
| Max Discharge | 5,120 cfs |
| Year Completed | 1914 (112 years old) |
| NID ID | NM00361 |
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
T. O. RANCH
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Throttle Dam No. 2?
Throttle Dam No. 2 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 Throttle Dam No. 2?
Throttle Dam No. 2 is owned by T. O. RANCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Throttle Dam No. 2 built?
Throttle Dam No. 2 was completed in 1914, making it 112 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 Throttle Dam No. 2?
Throttle Dam No. 2 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Throttle Dam No. 2?
Throttle Dam No. 2 has a dam height of 67 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 Throttle Dam No. 2 last inspected?
Throttle Dam No. 2 was last inspected on May 5, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.