Deerhead Lake Dam
Key Takeaway
Deerhead Lake Dam is classified as significant hazard in Montana. It was completed in 1929 and is 97 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 13 ft (taller than 14.7% in MT) |
| Dam Length | 141 ft |
| Dam Type | Earth |
| Normal Storage | 144 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 53 cfs |
| Year Completed | 1929 (97 years old) |
| NID ID | MT00819 |
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
D J MARCHESSEAULT
Private
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Low Hazard 12 ftFrequently Asked Questions
What is the hazard classification of Deerhead Lake Dam?
Deerhead Lake Dam 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 Deerhead Lake Dam?
Deerhead Lake Dam is owned by D J MARCHESSEAULT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Deerhead Lake Dam built?
Deerhead Lake Dam was completed in 1929, making it 97 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 Deerhead Lake Dam?
Deerhead Lake Dam 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 Deerhead Lake Dam?
Deerhead Lake Dam has a dam height of 13 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 Deerhead Lake Dam last inspected?
Deerhead Lake Dam was last inspected on July 10, 2014. Inspection dates indicate when a formal review occurred, not the results of that inspection.