Brown (liberty) is an earth dam located in Liberty County, Montana, built in 1939. It carries a Significant hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 300 ft long. 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 Brown (liberty)
The primary purpose of Brown (liberty) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Irvin E Brown (private). It impounds the Tr-breed Creek.
The dam stands 20 feet tall and stretches 300 feet across, and has a maximum storage capacity of 124 acre-feet. Completed in 1939, the structure is well-established, with more than 75 years of service.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Montana |
| County | Liberty |
| Nearest City | None |
| River/Stream | Tr-breed Creek |
| Coordinates | 48.94290, -111.26640 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 63 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Irvin E Brown |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00304 |
| Federal ID | MT00304 |
| More Info | State Dam Safety Program |