Monument
Key Takeaway
Monument is classified as high hazard in Colorado. It was completed in 1889 and is 137 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 | 51 ft (taller than 88.6% in CO) |
| Dam Length | 422 ft |
| Dam Type | Earth |
| Max Storage | 632 acre-ft |
| Normal Storage | 430 acre-ft |
| Surface Area | 19 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 518 cfs |
| Year Completed | 1889 (137 years old) |
| NID ID | CO00598 |
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
MINNESOTA DITCH & RESERVOIR CO. (WILLY KISTLER, PR
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Monument?
Monument 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 Monument?
Monument is owned by MINNESOTA DITCH & RESERVOIR CO. (WILLY KISTLER, PR (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Monument built?
Monument was completed in 1889, making it 137 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 Monument?
Monument 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 Monument?
Monument 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 Monument last inspected?
Monument was last inspected on May 25, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.