Townsend Sewage Lagoon
Key Takeaway
Townsend Sewage Lagoon is classified as low hazard in Montana. It was completed in 1962 and is 64 years old. Its primary use is water supply.
Physical Details
| Dam Height | 9 ft (taller than 2.9% in MT) |
| Dam Length | 2,500 ft |
| Dam Type | Earth |
| Max Storage | 148 acre-ft |
| Normal Storage | 120 acre-ft |
| Year Completed | 1962 (64 years old) |
| NID ID | MT01418 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
CITY OF TOWNSEND
Local Government
Frequently Asked Questions
What is the hazard classification of Townsend Sewage Lagoon?
Townsend Sewage Lagoon is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Townsend Sewage Lagoon?
Townsend Sewage Lagoon is owned by CITY OF TOWNSEND (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Townsend Sewage Lagoon built?
Townsend Sewage Lagoon was completed in 1962, making it 64 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Townsend Sewage Lagoon?
Townsend Sewage Lagoon serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Townsend Sewage Lagoon?
Townsend Sewage Lagoon has a dam height of 9 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.