Minutemen
Key Takeaway
Minutemen is classified as low hazard in Montana. It was completed in 1952 and is 74 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 | 107 acre-ft |
| Normal Storage | 62 acre-ft |
| Drainage Area | 6 sq mi |
| Max Discharge | 3,000 cfs |
| Year Completed | 1952 (74 years old) |
| NID ID | MT03124 |
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
HERIGSTAD RANCH INC
Private
Nearby Dams
Lobella Detention Dam
Dawson, MT
Low HazardRattlesnake Dam
Dawson, MT
Low HazardTwin Forks (Dawson)
Dawson, MT
Low Hazard 35 ftDwarf
Dawson, MT
Low Hazard 15 ftPraire Goat Dam
Dawson, MT
Low HazardUpper Prairie Goat Det. Dam
Dawson, MT
Low HazardUpper Magpie Reservoir
Dawson, MT
Low Hazard 15 ftJonas #6
Dawson, MT
Low Hazard 20 ftFrequently Asked Questions
What is the hazard classification of Minutemen?
Minutemen 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 Minutemen?
Minutemen is owned by HERIGSTAD RANCH INC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Minutemen built?
Minutemen was completed in 1952, making it 74 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 Minutemen?
Minutemen 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 Minutemen?
Minutemen 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.