Chinook, North
Chinook, North is an earth dam located in Blaine County, Montana, built in 1910. It carries a Low hazard potential classification.
About Chinook, North
The primary purpose of Chinook, North is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by North Chinook Irrigation Co. (private). It impounds the Lodge Creek-offstream near Chinook.
The dam stands 22 feet tall and stretches 1,900 feet across, and has a maximum storage capacity of 7,500 acre-feet. Completed in 1910, 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 | Blaine |
| Nearest City | Chinook |
| River/Stream | Lodge Creek-offstream |
| Coordinates | 48.76730, -109.31520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 1,900 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 7,500 acre-ft |
| Max Storage | 7,500 acre-ft |
| Normal Storage | 7,000 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | NORTH CHINOOK IRRIGATION CO. |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00553 |
| Federal ID | MT00553 |
| More Info | State Dam Safety Program |