Ash Creek is an earth dam located in Prairie County, Montana, built in 1951. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 530 ft long, taller than 65% of U.S. dams with a recorded height. 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 Ash Creek
The primary purpose of Ash Creek is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Singleton Farms (private). It impounds the Ash Creek.
The dam stands 29 feet tall and stretches 530 feet across, has a maximum storage capacity of 458 acre-feet, and collects water from a drainage area of 12 square miles. Completed in 1951, the structure is well into its service life at over 50 years 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 | Prairie |
| Nearest City | None |
| River/Stream | Ash Creek |
| Coordinates | 46.98610, -106.01960 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 530 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 458 acre-ft |
| Max Storage | 458 acre-ft |
| Normal Storage | 291 acre-ft |
| Drainage Area | 12 sq mi |
| Max Discharge | 1,200 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Singleton Farms |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01346 |
| Federal ID | MT01346 |
| More Info | State Dam Safety Program |