Oster
Oster is an earth dam located in Blaine County, Montana, built in 1950. It carries a Low hazard potential classification.
About Oster
The primary purpose of Oster is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by John G Overcast (private). It impounds the East Fork Savoy Creek near Savoy.
The dam stands 15 feet tall and stretches 800 feet across, and has a maximum storage capacity of 55 acre-feet. Completed in 1950, 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 | Blaine |
| Nearest City | Savoy |
| River/Stream | East Fork Savoy Creek |
| Coordinates | 48.64190, -108.58160 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 800 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 22 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | JOHN G OVERCAST |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02538 |
| Federal ID | MT02538 |
| More Info | State Dam Safety Program |