Enchanted Hills Detention Dam No. 1
Key Takeaway
Enchanted Hills Detention Dam No. 1 is classified as high hazard in New Mexico. It was completed in 2002 and is 24 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 | 20 ft (taller than 17.2% in NM) |
| Dam Length | 600 ft |
| Dam Type | Earth |
| Max Storage | 155 acre-ft |
| Normal Storage | 0 acre-ft |
| Drainage Area | 4 sq mi |
| Max Discharge | 4,368 cfs |
| Year Completed | 2002 (24 years old) |
| Year Modified | 2008 |
| NID ID | NM00621 |
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
SOUTHERN SANDOVAL COUNTY ARROYO FLOOD CONTROL AUTH
Local Government
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High Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Enchanted Hills Detention Dam No. 1?
Enchanted Hills Detention Dam No. 1 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 Enchanted Hills Detention Dam No. 1?
Enchanted Hills Detention Dam No. 1 is owned by SOUTHERN SANDOVAL COUNTY ARROYO FLOOD CONTROL AUTH (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Enchanted Hills Detention Dam No. 1 built?
Enchanted Hills Detention Dam No. 1 was completed in 2002, making it 24 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 Enchanted Hills Detention Dam No. 1?
Enchanted Hills Detention Dam No. 1 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 Enchanted Hills Detention Dam No. 1?
Enchanted Hills Detention Dam No. 1 has a dam height of 20 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 Enchanted Hills Detention Dam No. 1 last inspected?
Enchanted Hills Detention Dam No. 1 was last inspected on December 4, 2018. Inspection dates indicate when a formal review occurred, not the results of that inspection.