Innes Dam
Innes Dam is a gravity dam located in Prairie County, Montana. It carries a Low hazard potential classification.
About Innes Dam
Innes Dam is a dam in Prairie, Montana. The dam is owned by Doi Blm (federal). It impounds the Unnamed Drainage.
The dam stands 14 feet tall and stretches 464 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 60 acre-feet, and collects water from a drainage area of 4 square miles.
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 09/05/2018.
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Location
| State | Montana |
| County | Prairie |
| River/Stream | Unnamed Drainage |
| Coordinates | 46.94062, -105.40369 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 14 ft |
| Dam Length | 464 ft |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Max Storage | 60 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/05/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00665 |
| Federal ID | MT00665 |
| More Info | State Dam Safety Program |