Brannan No. 2
Key Takeaway
Brannan No. 2 is classified as low hazard in Wyoming. It was completed in 1937 and is 89 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 8 ft (taller than 0.8% in WY) |
| Dam Length | 2,585 ft |
| Dam Type | Earth |
| Max Storage | 401 acre-ft |
| Normal Storage | 375 acre-ft |
| Surface Area | 111 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1937 (89 years old) |
| NID ID | WY01223 |
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
BLAIR & HAY LAND & LIVESTOCK COMPANY
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Brannan No. 2?
Brannan No. 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 Brannan No. 2?
Brannan No. 2 is owned by BLAIR & HAY LAND & LIVESTOCK COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Brannan No. 2 built?
Brannan No. 2 was completed in 1937, making it 89 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 Brannan No. 2?
Brannan No. 2 serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Brannan No. 2?
Brannan No. 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 Brannan No. 2 last inspected?
Brannan No. 2 was last inspected on May 16, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.