Vanette's Dam
Vanette's Dam is an earth dam located in Powder River County, Montana, built in 1912. It carries a Significant hazard potential classification.
About Vanette's Dam
The primary purpose of Vanette's Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by D D Gilger Ranch (private). It impounds the Pilgram Creek near Powderville.
The dam stands 19 feet tall and stretches 530 feet across, and has a maximum storage capacity of 415 acre-feet. Completed in 1912, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | Montana |
| County | Powder River |
| Nearest City | Powderville |
| River/Stream | Pilgram Creek |
| Coordinates | 45.39390, -105.07910 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 530 ft |
| Year Completed | 1912 (114 years old) |
Storage & Hydraulics
| NID Storage | 415 acre-ft |
| Max Storage | 415 acre-ft |
| Normal Storage | 161 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | D D GILGER RANCH |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02217 |
| Federal ID | MT02217 |
| More Info | State Dam Safety Program |