Buffalo Hill
Buffalo Hill is an earth dam located in Garfield County, Montana, built in 1936. It carries a Significant hazard potential classification.
About Buffalo Hill
The primary purpose of Buffalo Hill is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by A R Hays (private). It impounds the Tr-woody Creek.
The dam stands 20 feet tall and stretches 275 feet across, and has a maximum storage capacity of 103 acre-feet. Completed in 1936, 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 | Garfield |
| Nearest City | None |
| River/Stream | Tr-woody Creek |
| Coordinates | 47.56240, -106.70150 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 275 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 103 acre-ft |
| Max Storage | 103 acre-ft |
| Normal Storage | 53 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | A R HAYS |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01239 |
| Federal ID | MT01239 |
| More Info | State Dam Safety Program |