New Deal No. 1
Key Takeaway
New Deal No. 1 is classified as low hazard in Wyoming. It was completed in 1972 and is 54 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 43 ft (taller than 90.4% in WY) |
| Dam Length | 1,400 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 997 acre-ft |
| Surface Area | 89 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1972 (54 years old) |
| NID ID | WY00431 |
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
GREGG A. MATNEY TRUST
Private
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Low Hazard 42 ftFrequently Asked Questions
What is the hazard classification of New Deal No. 1?
New Deal No. 1 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 New Deal No. 1?
New Deal No. 1 is owned by GREGG A. MATNEY TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was New Deal No. 1 built?
New Deal No. 1 was completed in 1972, making it 54 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 New Deal No. 1?
New Deal 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 New Deal No. 1?
New Deal No. 1 has a dam height of 43 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 New Deal No. 1 last inspected?
New Deal No. 1 was last inspected on October 10, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.