Manger
Manger is an earth dam located in Meagher County, Montana, built in 1937. It carries a Low hazard potential classification.
About Manger
The primary purpose of Manger is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by 1 Montana Horse Co (private). It impounds the Fords Creek near Great Falls.
The dam stands 20 feet tall and stretches 450 feet across, has a maximum storage capacity of 82 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1937, 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 | Meagher |
| Nearest City | Great Falls |
| River/Stream | Fords Creek |
| Coordinates | 46.47920, -110.87130 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 450 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 82 acre-ft |
| Max Storage | 82 acre-ft |
| Normal Storage | 42 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 400 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | 1 MONTANA HORSE CO |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00027 |
| Federal ID | MT00027 |
| More Info | State Dam Safety Program |