Moos #1
Moos #1 is an earth dam located in McCone County, Montana, built in 1943. It carries a Low hazard potential classification.
About Moos #1
The primary purpose of Moos #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Donald Moos Farm Inc (private). It impounds the Tr-horse Creek near Circle.
The dam stands 15 feet tall and stretches 300 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 56 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1943, 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 | McCone |
| Nearest City | Circle |
| River/Stream | Tr-horse Creek |
| Coordinates | 47.46750, -105.80460 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 300 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 1,000 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DONALD MOOS FARM INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02480 |
| Federal ID | MT02480 |
| More Info | State Dam Safety Program |