Venn #9
Key Takeaway
Venn #9 is classified as low hazard in Montana. It was completed in 1966 and is 60 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 17 ft (taller than 34.9% in MT) |
| Dam Length | 545 ft |
| Dam Type | Earth |
| Max Storage | 89 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 645 sq mi |
| Year Completed | 1966 (60 years old) |
| NID ID | MT01609 |
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
DARRELL HARDING
Private
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Low Hazard 25 ftFrequently Asked Questions
What is the hazard classification of Venn #9?
Venn #9 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 Venn #9?
Venn #9 is owned by DARRELL HARDING (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Venn #9 built?
Venn #9 was completed in 1966, making it 60 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 Venn #9?
Venn #9 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Venn #9?
Venn #9 has a dam height of 17 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 Venn #9 last inspected?
Venn #9 was last inspected on April 17, 2007. Inspection dates indicate when a formal review occurred, not the results of that inspection.