Magic Mountain #1
Key Takeaway
Magic Mountain #1 is classified as high hazard in Colorado. It was completed in 1958 and is 68 years old. Its primary use is fire protection. 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 | 51 ft (taller than 88.6% in CO) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 189 acre-ft |
| Normal Storage | 145 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 5,372 cfs |
| Year Completed | 1958 (68 years old) |
| NID ID | CO00201 |
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
MARTIN MARIETTA MATERIALS (COURTNEY, PHILLIP)
Private
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Low Hazard 34 ftFrequently Asked Questions
What is the hazard classification of Magic Mountain #1?
Magic Mountain #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 Magic Mountain #1?
Magic Mountain #1 is owned by MARTIN MARIETTA MATERIALS (COURTNEY, PHILLIP) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Magic Mountain #1 built?
Magic Mountain #1 was completed in 1958, making it 68 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 Magic Mountain #1?
Magic Mountain #1 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Magic Mountain #1?
Magic Mountain #1 has a dam height of 51 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 Magic Mountain #1 last inspected?
Magic Mountain #1 was last inspected on December 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.