Spring Creek is an earth dam located in Missoula County, Montana, built in 1951. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 300 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 Spring Creek
The primary purpose of Spring Creek is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Dale Moore (private). It impounds the Tr-ninemile Creek near Alberton.
The dam stands 15 feet tall and stretches 300 feet across, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1951, the structure is well into its service life at over 50 years 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. The most recent inspection on record was 08/15/1989. That was over 37 years ago.
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Location
| State | Montana |
| County | Missoula |
| Nearest City | Alberton |
| River/Stream | Tr-ninemile Creek |
| Coordinates | 47.10150, -114.42520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 300 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 50 acre-ft |
| Max Storage | 50 acre-ft |
| Normal Storage | 50 acre-ft |
| Drainage Area | 5 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Dale Moore |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 08/15/1989 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00890 |
| Federal ID | MT00890 |
| More Info | State Dam Safety Program |