Larson (garfield)
Larson (garfield) is an earth dam located in Garfield County, Montana, built in 1948. It carries a Low hazard potential classification.
About Larson (garfield)
The primary purpose of Larson (garfield) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by C/a Weeding & Sons (private). It impounds the Tr-smoky Butte Creek near Jordan.
The dam stands 15 feet tall and stretches 300 feet across, has a maximum storage capacity of 55 acre-feet, and collects water from a drainage area of 14 square miles. Completed in 1948, 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 | Jordan |
| River/Stream | Tr-smoky Butte Creek |
| Coordinates | 47.43100, -107.19040 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 300 ft |
| Year Completed | 1948 (78 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 22 acre-ft |
| Drainage Area | 14 sq mi |
| Max Discharge | 1,000 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | C/A WEEDING & SONS |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00085 |
| Federal ID | MT00085 |
| More Info | State Dam Safety Program |