Mountain Supply # 9
Key Takeaway
Mountain Supply # 9 is classified as low hazard in Colorado. It was completed in 1907 and is 119 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 24 ft (taller than 49.9% in CO) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 413 acre-ft |
| Normal Storage | 413 acre-ft |
| Surface Area | 57 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 14,200 cfs |
| Year Completed | 1907 (119 years old) |
| NID ID | CO02039 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
NORTH POUDRE IRR. CO. (MOEN, TAD)
Private
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High Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Mountain Supply # 9?
Mountain Supply # 9 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Mountain Supply # 9?
Mountain Supply # 9 is owned by NORTH POUDRE IRR. CO. (MOEN, TAD) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Mountain Supply # 9 built?
Mountain Supply # 9 was completed in 1907, making it 119 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 Mountain Supply # 9?
Mountain Supply # 9 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 Mountain Supply # 9?
Mountain Supply # 9 has a dam height of 24 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 Mountain Supply # 9 last inspected?
Mountain Supply # 9 was last inspected on August 19, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.