Minutemen is an earth dam located in Prairie County, Montana, built in 1952. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 300 ft long, taller than 68% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Minutemen
The primary purpose of Minutemen is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Herigstad Ranch Inc (private). It impounds the Tr-cedar Creek near Glasgow.
The dam stands 30 feet tall and stretches 300 feet across, has a maximum storage capacity of 107 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1952, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | Montana |
| County | Prairie |
| Nearest City | Glasgow |
| River/Stream | Tr-cedar Creek |
| Coordinates | 46.82565, -104.61471 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 300 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 107 acre-ft |
| Max Storage | 107 acre-ft |
| Normal Storage | 62 acre-ft |
| Drainage Area | 5 sq mi |
| Max Discharge | 3,000 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Herigstad Ranch Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03124 |
| Federal ID | MT03124 |
| More Info | State Dam Safety Program |