Swan Dam is a gravity dam located in Toole County, Montana, built in 2003. It carries a Low hazard potential classification.
Dam profile
NID height · 16 ft16 ft tall and 713 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Swan Dam
Swan Dam is a dam in Toole, Montana. The dam is owned by Doi BLM (federal).
The dam stands 16 feet tall and stretches 713 feet across, creates a reservoir covering 64 acres, and has a maximum storage capacity of 362 acre-feet. Completed in 2003, the structure is relatively new.
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 07/21/2020.
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Location
| State | Montana |
| County | Toole |
| Coordinates | 48.82195, -111.97472 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 16 ft |
| Dam Length | 713 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 362 acre-ft |
| Max Storage | 362 acre-ft |
| Surface Area | 64 acres |
Ownership & Safety
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/21/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03944 |
| Federal ID | MT03944 |
| More Info | State Dam Safety Program |