Little Boy Blue
Little Boy Blue is an earth dam located in Carter County, Montana, built in 1919. It carries a Low hazard potential classification.
About Little Boy Blue
The primary purpose of Little Boy Blue is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Oliver Livestock Co (private). It impounds the Tr-twelve Mile Creek near Capitol.
The dam stands 12 feet tall and stretches 180 feet across, and has a maximum storage capacity of 282 acre-feet. Completed in 1919, the structure is over a century 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 | Carter |
| Nearest City | Capitol |
| River/Stream | Tr-twelve Mile Creek |
| Coordinates | 45.15200, -104.24880 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 180 ft |
| Year Completed | 1919 (107 years old) |
Storage & Hydraulics
| NID Storage | 282 acre-ft |
| Max Storage | 282 acre-ft |
| Normal Storage | 119 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | OLIVER LIVESTOCK CO |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03049 |
| Federal ID | MT03049 |
| More Info | State Dam Safety Program |