Henry Dam #2
Key Takeaway
Henry Dam #2 is classified as low hazard in Montana. It was completed in 1963 and is 63 years old. Its primary use is irrigation.
Physical Details
| Dam Height | 33 ft (taller than 91.5% in MT) |
| Dam Length | 493 ft |
| Dam Type | Earth |
| Max Storage | 55 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 20 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | MT00436 |
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
FENGER, WESLEY AND FRED
Private
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Low Hazard 8 ftFrequently Asked Questions
What is the hazard classification of Henry Dam #2?
Henry Dam #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 Henry Dam #2?
Henry Dam #2 is owned by FENGER, WESLEY AND FRED (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Henry Dam #2 built?
Henry Dam #2 was completed in 1963, making it 63 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 Henry Dam #2?
Henry Dam #2 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 Henry Dam #2?
Henry Dam #2 has a dam height of 33 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.