Goffena
Goffena is a dam located in Musselshell County, Montana, built in 1986. It carries a Significant hazard potential classification.
About Goffena
The primary purpose of Goffena is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Big Wall Land Co (private). It impounds the Ut, Musselshell River near Musselshell.
The dam stands 24 feet tall and stretches 860 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 260 acre-feet, and collects water from a drainage area of 9 square miles. Completed in 1986, the structure is 40 years old.
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 | Musselshell |
| Nearest City | Musselshell |
| River/Stream | Ut, Musselshell River |
| Coordinates | 46.51180, -108.26170 |
Physical Characteristics
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 860 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 260 acre-ft |
| Max Storage | 260 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 16 acres |
| Drainage Area | 9 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | BIG WALL LAND CO |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03982 |
| Federal ID | MT03982 |
| More Info | State Dam Safety Program |