North Crow Diversion
Key Takeaway
North Crow Diversion is classified as significant hazard in Wyoming. It was completed in 1910 and is 116 years old. Its primary use is water supply. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 46 ft (taller than 92.2% in WY) |
| Dam Length | 146 ft |
| Dam Type | Arch |
| Max Storage | 4.0K acre-ft |
| Normal Storage | 75 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 28 sq mi |
| Max Discharge | 115 cfs |
| Year Completed | 1910 (116 years old) |
| NID ID | WY01315 |
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
CITY OF CHEYENNE-CBPU
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of North Crow Diversion?
North Crow Diversion 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 North Crow Diversion?
North Crow Diversion is owned by CITY OF CHEYENNE-CBPU (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was North Crow Diversion built?
North Crow Diversion was completed in 1910, making it 116 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 North Crow Diversion?
North Crow Diversion serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is North Crow Diversion?
North Crow Diversion has a dam height of 46 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 North Crow Diversion last inspected?
North Crow Diversion was last inspected on April 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.