Ashley is an earth dam located in Flathead County, Montana, built in 1928. It carries a Low hazard potential classification.
Dam profile
NID height · 10 ft10 ft tall and 20 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 Ashley
The primary purpose of Ashley is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by State of Montana, D.f.w.p. (state). It impounds the Ashley Creek near Kila.
The dam stands 10 feet tall and stretches 20 feet across, creates a reservoir covering 2,852 acres, and has a maximum storage capacity of 27,600 acre-feet. Completed in 1928, 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. The most recent inspection on record was 10/17/2022.
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Location
| State | Montana |
| County | Flathead |
| Nearest City | Kila |
| River/Stream | Ashley Creek |
| Coordinates | 48.18020, -114.61822 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 20 ft |
| Year Completed | 1928 (98 years old) |
Storage & Hydraulics
| NID Storage | 27,600 acre-ft |
| Max Storage | 27,600 acre-ft |
| Normal Storage | 20,400 acre-ft |
| Surface Area | 2,852 acres |
Ownership & Safety
| Purpose | Irrigation |
| Owner | State of Montana, D.f.w.p. |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/17/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01163 |
| Federal ID | MT01163 |
| More Info | State Dam Safety Program |