Shoup Lake
Shoup Lake is an earth dam located in Powell County, Montana, built in 1925. It carries a Low hazard potential classification.
About Shoup Lake
The primary purpose of Shoup Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Two Creek Ranch (private). It impounds the Offstream-dunham Creek near Bonner.
The dam stands 18 feet tall and stretches 90 feet across, and has a maximum storage capacity of 384 acre-feet. Completed in 1925, the structure is over a century old.
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 | Powell |
| Nearest City | Bonner |
| River/Stream | Offstream-dunham Creek |
| Coordinates | 47.09730, -113.17450 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 90 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 384 acre-ft |
| Max Storage | 384 acre-ft |
| Normal Storage | 201 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | TWO CREEK RANCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01389 |
| Federal ID | MT01389 |
| More Info | State Dam Safety Program |