Smoky Dam
Smoky Dam is an earth dam located in Sweet Grass County, Montana, built in 1968. It carries a Low hazard potential classification.
About Smoky Dam
Smoky Dam is a dam in Sweet Grass, Montana. The dam is owned by David Hathaway Et Al (private). It impounds the Bear Gulch near Big Timber.
The dam stands 20 feet tall and stretches 120 feet across, has a maximum storage capacity of 67 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1968, 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 | Sweet Grass |
| Nearest City | Big Timber |
| River/Stream | Bear Gulch |
| Coordinates | 45.90912, -109.99181 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 120 ft |
| Year Completed | 1968 (58 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 23 acre-ft |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | DAVID HATHAWAY ET AL |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02708 |
| Federal ID | MT02708 |
| More Info | State Dam Safety Program |