West #1
Key Takeaway
West #1 is classified as high hazard in Colorado. It was completed in 1950 and is 76 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 | 49 ft (taller than 87.8% in CO) |
| Dam Length | 770 ft |
| Dam Type | Earth |
| Max Storage | 616 acre-ft |
| Normal Storage | 470 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 735 cfs |
| Year Completed | 1950 (76 years old) |
| Year Modified | 2016 |
| NID ID | CO00645 |
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
WEST RESERVOIR & DITCH CO. (HUGHES, NICK)
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of West #1?
West #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 West #1?
West #1 is owned by WEST RESERVOIR & DITCH CO. (HUGHES, NICK) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was West #1 built?
West #1 was completed in 1950, making it 76 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 West #1?
West #1 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 West #1?
West #1 has a dam height of 49 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 West #1 last inspected?
West #1 was last inspected on October 6, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.