Philips is an earth dam located in Phillips County, Montana, built in 1930. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 675 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Philips
The primary purpose of Philips is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Square Butte Grazing Assoc (private). It impounds the Cottonwood Creek.
The dam stands 18 feet tall and stretches 675 feet across, has a maximum storage capacity of 487 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1930, 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 | Phillips |
| Nearest City | None |
| River/Stream | Cottonwood Creek |
| Coordinates | 47.82670, -108.63470 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 675 ft |
| Year Completed | 1930 (96 years old) |
Storage & Hydraulics
| NID Storage | 487 acre-ft |
| Max Storage | 487 acre-ft |
| Normal Storage | 282 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 500 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Square Butte Grazing Assoc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01316 |
| Federal ID | MT01316 |
| More Info | State Dam Safety Program |