Hanna Lagoon (Cell 1 & 2)
Key Takeaway
Hanna Lagoon (Cell 1 & 2) is classified as low hazard in Wyoming. It was completed in 1988 and is 38 years old. Its primary use is other.
Physical Details
| Dam Height | 8 ft (taller than 0.8% in WY) |
| Dam Length | 3,900 ft |
| Dam Type | Earth |
| Max Storage | 0 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 21 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1988 (38 years old) |
| NID ID | WY01684 |
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
TOWN OF HANNA (RICHARD GREGORY)
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Hanna Lagoon (Cell 1 & 2)?
Hanna Lagoon (Cell 1 & 2) 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 Hanna Lagoon (Cell 1 & 2)?
Hanna Lagoon (Cell 1 & 2) is owned by TOWN OF HANNA (RICHARD GREGORY) (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Hanna Lagoon (Cell 1 & 2) built?
Hanna Lagoon (Cell 1 & 2) was completed in 1988, making it 38 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 Hanna Lagoon (Cell 1 & 2)?
Hanna Lagoon (Cell 1 & 2) serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Hanna Lagoon (Cell 1 & 2)?
Hanna Lagoon (Cell 1 & 2) has a dam height of 8 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 Hanna Lagoon (Cell 1 & 2) last inspected?
Hanna Lagoon (Cell 1 & 2) was last inspected on July 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.