Billings #3
Key Takeaway
Billings #3 is classified as low hazard in Montana. It was completed in 1938 and is 88 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 30 ft (taller than 82.7% in MT) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 342 acre-ft |
| Normal Storage | 198 acre-ft |
| Max Discharge | 3,015 cfs |
| Year Completed | 1938 (88 years old) |
| NID ID | MT00087 |
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
JOHN W BILLING
Private
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Low Hazard 16 ftFrequently Asked Questions
What is the hazard classification of Billings #3?
Billings #3 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 Billings #3?
Billings #3 is owned by JOHN W BILLING (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Billings #3 built?
Billings #3 was completed in 1938, making it 88 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 Billings #3?
Billings #3 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 Billings #3?
Billings #3 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.