Brown No. 1
Key Takeaway
Brown No. 1 is classified as low hazard in Wyoming. It was completed in 1913 and is 113 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 30 ft (taller than 63.1% in WY) |
| Dam Length | 390 ft |
| Dam Type | Earth |
| Max Storage | 248 acre-ft |
| Normal Storage | 186 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1913 (113 years old) |
| NID ID | WY01138 |
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
GIFFORD RANCH, LLC.
Private
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Brown No. 1?
Brown 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 Brown No. 1?
Brown No. 1 is owned by GIFFORD RANCH, LLC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Brown No. 1 built?
Brown No. 1 was completed in 1913, making it 113 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 Brown No. 1?
Brown 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 Brown No. 1?
Brown No. 1 has a dam height of 30 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 Brown No. 1 last inspected?
Brown No. 1 was last inspected on August 31, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.