Townsend Sewage Lagoon
Townsend Sewage Lagoon is an earth dam located in Broadwater County, Montana, built in 1962. It carries a Low hazard potential classification.
About Townsend Sewage Lagoon
The primary purpose of Townsend Sewage Lagoon is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by City Of Townsend (local government). It impounds the Tr-missouri River near Townsend.
The dam stands 9 feet tall and stretches 2,500 feet across, and has a maximum storage capacity of 148 acre-feet. Completed in 1962, 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 | Broadwater |
| Nearest City | Townsend |
| River/Stream | Tr-missouri River |
| Coordinates | 46.32930, -111.53210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 2,500 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 148 acre-ft |
| Max Storage | 148 acre-ft |
| Normal Storage | 120 acre-ft |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF TOWNSEND |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01418 |
| Federal ID | MT01418 |
| More Info | State Dam Safety Program |