Penny
Penny is an earth dam located in Carter County, Montana, built in 1950. It carries a Significant hazard potential classification.
About Penny
The primary purpose of Penny is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bell Tower Ranch Inc (private). It impounds the Carin Creek near Belltower.
The dam stands 24 feet tall and stretches 4,620 feet across, and has a maximum storage capacity of 7,678 acre-feet. Completed in 1950, 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 | Carter |
| Nearest City | Belltower |
| River/Stream | Carin Creek |
| Coordinates | 45.58250, -104.51980 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 4,620 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 7,678 acre-ft |
| Max Storage | 7,678 acre-ft |
| Normal Storage | 4,118 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BELL TOWER RANCH INC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03159 |
| Federal ID | MT03159 |
| More Info | State Dam Safety Program |