Little Warm Spring Creek is an earth dam located in Phillips County, Montana, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 1,300 ft long, taller than 50% 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 Little Warm Spring Creek
The primary purpose of Little Warm 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 Little Big Warm Ranch LLC (private). It impounds the Little Warm Creek near Saco.
The dam stands 25 feet tall and stretches 1,300 feet across, and has a maximum storage capacity of 1,371 acre-feet. Completed in 1938, 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 | Saco |
| River/Stream | Little Warm Creek |
| Coordinates | 48.06900, -108.14530 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,300 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 1,371 acre-ft |
| Max Storage | 1,371 acre-ft |
| Normal Storage | 602 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Little Big Warm Ranch LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01338 |
| Federal ID | MT01338 |
| More Info | State Dam Safety Program |