Charangus is an earth dam located in Garfield County, Montana, built in 1936. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 2,000 ft long, taller than 68% of U.S. dams with a recorded height. 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 Charangus
The primary purpose of Charangus is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Charangus Ranch (private). It impounds the South Fork Lodgepole Cr near No Town.
The dam stands 30 feet tall and stretches 2,000 feet across, and has a maximum storage capacity of 570 acre-feet. Completed in 1936, the structure is well-established, with more than 75 years of service.
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 | Garfield |
| Nearest City | No Town |
| River/Stream | South Fork Lodgepole Cr |
| Coordinates | 47.09550, -107.48170 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 2,000 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 570 acre-ft |
| Max Storage | 570 acre-ft |
| Normal Storage | 330 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Charangus Ranch |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00473 |
| Federal ID | MT00473 |
| More Info | State Dam Safety Program |