Venn #1
Key Takeaway
Venn #1 is classified as significant hazard in Montana. It was completed in 1936 and is 90 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 28 ft (taller than 80.9% in MT) |
| Dam Length | 1,400 ft |
| Dam Type | Earth |
| Max Storage | 818 acre-ft |
| Normal Storage | 436 acre-ft |
| Year Completed | 1936 (90 years old) |
| NID ID | MT00104 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CHARLES STEADMAN
Private
Nearby Dams
Brewer #2
Custer, MT
Low Hazard 15 ftVenn #8
Custer, MT
Significant Hazard 17 ftVenn #7
Custer, MT
Low Hazard 18 ftBrewer #3
Custer, MT
Low Hazard 28 ftVenn #9
Custer, MT
Low Hazard 17 ftMoore #7
Custer, MT
Low Hazard 24 ftFrench #12
Custer, MT
Low Hazard 24 ftLazy S #2
Custer, MT
Low Hazard 17 ftFrequently Asked Questions
What is the hazard classification of Venn #1?
Venn #1 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Venn #1?
Venn #1 is owned by CHARLES STEADMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Venn #1 built?
Venn #1 was completed in 1936, making it 90 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 #1?
Venn #1 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 Venn #1?
Venn #1 has a dam height of 28 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.