Union
Key Takeaway
Union is classified as significant hazard in Colorado. It was completed in 1902 and is 124 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 33 ft (taller than 72.7% in CO) |
| Dam Length | 1,200 ft |
| Dam Type | Earth |
| Max Storage | 16.3K acre-ft |
| Normal Storage | 12.7K acre-ft |
| Surface Area | 717 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 14,925 cfs |
| Year Completed | 1902 (124 years old) |
| Year Modified | 1977 |
| NID ID | CO01219 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
UNION DITCH COMPANY (KEN HUSON)
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Union?
Union is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Union?
Union is owned by UNION DITCH COMPANY (KEN HUSON) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Union built?
Union was completed in 1902, making it 124 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 Union?
Union serves the following purposes: Irrigation, Fish And Wildlife Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Union?
Union has a dam height of 33 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 Union last inspected?
Union was last inspected on June 15, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.