Hansen
Key Takeaway
Hansen is classified as low hazard in Wyoming. It was completed in 1922 and is 104 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 16 ft (taller than 13.2% in WY) |
| Dam Length | 1,050 ft |
| Dam Type | Earth |
| Max Storage | 351 acre-ft |
| Normal Storage | 261 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1922 (104 years old) |
| NID ID | WY01978 |
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
P.H. LIVESTOCK CO. (NILES HANSEN)
Private
Frequently Asked Questions
What is the hazard classification of Hansen?
Hansen 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 Hansen?
Hansen is owned by P.H. LIVESTOCK CO. (NILES HANSEN) (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hansen built?
Hansen was completed in 1922, making it 104 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 Hansen?
Hansen serves the following purposes: Irrigation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hansen?
Hansen has a dam height of 16 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 Hansen last inspected?
Hansen was last inspected on September 16, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.