Barretts Diversion
Key Takeaway
Barretts Diversion is classified as low hazard in Montana. It was completed in 1962 and is 64 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 11 ft (taller than 8.4% in MT) |
| Dam Length | 1,720 ft |
| Dam Type | Concrete |
| Max Storage | 300 acre-ft |
| Normal Storage | 300 acre-ft |
| Drainage Area | 2,737 sq mi |
| Max Discharge | 2,500 cfs |
| Year Completed | 1962 (64 years old) |
| NID ID | MT04009 |
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
RECLAMATION
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Barretts Diversion?
Barretts Diversion 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 Barretts Diversion?
Barretts Diversion is owned by RECLAMATION (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Barretts Diversion built?
Barretts Diversion was completed in 1962, making it 64 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 Barretts Diversion?
Barretts Diversion 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 Barretts Diversion?
Barretts Diversion has a dam height of 11 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 Barretts Diversion last inspected?
Barretts Diversion was last inspected on October 6, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.