Mason
Key Takeaway
Mason is classified as high hazard in Colorado. It was completed in 1903 and is 123 years old. Its primary use is water supply. 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 | 50 ft (taller than 88.1% in CO) |
| Dam Length | 1,425 ft |
| Dam Type | Earth |
| Max Storage | 3.8K acre-ft |
| Normal Storage | 2.0K acre-ft |
| Surface Area | 109 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 6,235 cfs |
| Year Completed | 1903 (123 years old) |
| Year Modified | 1998 |
| NID ID | CO02049 |
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
COLORADO SPRINGS UTILITIES
Local Government
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Low Hazard 21 ftFrequently Asked Questions
What is the hazard classification of Mason?
Mason 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 Mason?
Mason is owned by COLORADO SPRINGS UTILITIES (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mason built?
Mason was completed in 1903, making it 123 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 Mason?
Mason serves the following purposes: Water Supply, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Mason?
Mason has a dam height of 50 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 Mason last inspected?
Mason was last inspected on July 21, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.