Wolf Point Sewage Lagoon is an earth dam located in Roosevelt County, Montana, built in 1959. It carries a Low hazard potential classification.
Dam profile
NID height · 8 ft8 ft tall and 4,500 ft long. 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 Wolf Point Sewage Lagoon
Wolf Point Sewage Lagoon is a dam in Roosevelt, Montana. The dam is owned by City of Wolf Point (local government). It impounds the Tr-missouri River near Poplar.
The dam stands 8 feet tall and stretches 4,500 feet across, and has a maximum storage capacity of 400 acre-feet. Completed in 1959, 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 | Roosevelt |
| Nearest City | Poplar |
| River/Stream | Tr-missouri River |
| Coordinates | 48.08030, -105.63300 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 4,500 ft |
| Year Completed | 1959 (67 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 384 acre-ft |
Ownership & Safety
| Purpose | Other |
| Owner | City of Wolf Point |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01408 |
| Federal ID | MT01408 |
| More Info | State Dam Safety Program |