Billings #3 is an earth dam located in Garfield County, Montana, built in 1938. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 300 ft long, taller than 68% 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 Billings #3
The primary purpose of Billings #3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by John W Billing (private). It impounds the Tr-big Dry Creek.
The dam stands 30 feet tall and stretches 300 feet across, and has a maximum storage capacity of 342 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 | Garfield |
| Nearest City | None |
| River/Stream | Tr-big Dry Creek |
| Coordinates | 47.42850, -106.34530 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 300 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 342 acre-ft |
| Max Storage | 342 acre-ft |
| Normal Storage | 198 acre-ft |
| Max Discharge | 3,015 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | John W Billing |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00087 |
| Federal ID | MT00087 |
| More Info | State Dam Safety Program |