Thirtieth Street Dam
Key Takeaway
Thirtieth Street Dam is classified as high hazard in New Mexico. It was completed in 1979 and is 47 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 | 22 ft (taller than 22.4% in NM) |
| Dam Length | 550 ft |
| Dam Type | Earth |
| Max Storage | 135 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 3,107 cfs |
| Year Completed | 1979 (47 years old) |
| NID ID | NM00423 |
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
CITY OF FARMINGTON
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Thirtieth Street Dam?
Thirtieth Street 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 Thirtieth Street Dam?
Thirtieth Street Dam is owned by CITY OF FARMINGTON (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Thirtieth Street Dam built?
Thirtieth Street Dam was completed in 1979, making it 47 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 Thirtieth Street Dam?
Thirtieth Street Dam 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 Thirtieth Street Dam?
Thirtieth Street Dam has a dam height of 22 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 Thirtieth Street Dam last inspected?
Thirtieth Street Dam was last inspected on December 3, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.