Roundup Sewage Lagoon
Roundup Sewage Lagoon is an earth dam located in Musselshell County, Montana, built in 1957. It carries a Low hazard potential classification.
About Roundup Sewage Lagoon
Roundup Sewage Lagoon is a dam in Musselshell, Montana. The dam is owned by City Of Roundup (local government). It impounds the Tr-musselshell River near Roundup.
The dam stands 12 feet tall and stretches 1,000 feet across, and has a maximum storage capacity of 330 acre-feet. Completed in 1957, 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 | Musselshell |
| Nearest City | Roundup |
| River/Stream | Tr-musselshell River |
| Coordinates | 46.44980, -108.52410 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 1,000 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 330 acre-ft |
| Max Storage | 330 acre-ft |
| Normal Storage | 312 acre-ft |
Ownership & Safety
| Purpose | Other |
| Owner | CITY OF ROUNDUP |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01411 |
| Federal ID | MT01411 |
| More Info | State Dam Safety Program |