Wyoming Development Company No. 1
Key Takeaway
Wyoming Development Company No. 1 is classified as significant hazard in Wyoming. It was completed in 1960 and is 66 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 45 ft (taller than 91.2% in WY) |
| Dam Length | 6,600 ft |
| Dam Type | Earth |
| Max Storage | 11.6K acre-ft |
| Normal Storage | 9.4K acre-ft |
| Surface Area | 424 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 400 cfs |
| Year Completed | 1960 (66 years old) |
| Year Modified | 1993 |
| NID ID | WY00091 |
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
WHEATLAND IRRIGATION DISTRICT
Private
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Low Hazard 18 ftFrequently Asked Questions
What is the hazard classification of Wyoming Development Company No. 1?
Wyoming Development Company No. 1 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 Wyoming Development Company No. 1?
Wyoming Development Company No. 1 is owned by WHEATLAND IRRIGATION DISTRICT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Wyoming Development Company No. 1 built?
Wyoming Development Company No. 1 was completed in 1960, making it 66 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 Wyoming Development Company No. 1?
Wyoming Development Company No. 1 serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Wyoming Development Company No. 1?
Wyoming Development Company No. 1 has a dam height of 45 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 Wyoming Development Company No. 1 last inspected?
Wyoming Development Company No. 1 was last inspected on March 28, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.