Spellman B1-27-5475
Key Takeaway
Spellman B1-27-5475 is classified as low hazard in Wyoming. It was completed in 2008 and is 18 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 40 ft (taller than 86.7% in WY) |
| Dam Length | 400 ft |
| Dam Type | Earth |
| Max Storage | 49 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 975 cfs |
| Year Completed | 2008 (18 years old) |
| NID ID | WY02472 |
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
BOBBY JOE SPELLMAN
Private
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What is the hazard classification of Spellman B1-27-5475?
Spellman B1-27-5475 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 Spellman B1-27-5475?
Spellman B1-27-5475 is owned by BOBBY JOE SPELLMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Spellman B1-27-5475 built?
Spellman B1-27-5475 was completed in 2008, making it 18 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 Spellman B1-27-5475?
Spellman B1-27-5475 serves the following purposes: Irrigation, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Spellman B1-27-5475?
Spellman B1-27-5475 has a dam height of 40 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 Spellman B1-27-5475 last inspected?
Spellman B1-27-5475 was last inspected on May 12, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.