Deer Lodge Sewage Lagoon

TR-CLARK FORK· Powell, Montana· Built 1960· Earth· 8 ft tall
Low Hazard Other Local Government

Key Takeaway

Deer Lodge Sewage Lagoon is classified as low hazard in Montana. It was completed in 1960 and is 66 years old. Its primary use is other.

Physical Details

Dam Height 8 ft (taller than 0.5% in MT)
Dam Length1,500 ft
Dam TypeEarth
Max Storage98 acre-ft
Normal Storage98 acre-ft
Year Completed1960 (66 years old)
NID IDMT01421

Safety Information

Low Hazard

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?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: DNRC

Ownership

CITY OF DEER LODGE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Deer Lodge Sewage Lagoon?

Deer Lodge 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 Deer Lodge Sewage Lagoon?

Deer Lodge Sewage Lagoon is owned by CITY OF DEER LODGE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Deer Lodge Sewage Lagoon built?

Deer Lodge Sewage Lagoon was completed in 1960, making it 66 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 Deer Lodge Sewage Lagoon?

Deer Lodge Sewage Lagoon serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Deer Lodge Sewage Lagoon?

Deer Lodge Sewage Lagoon has a dam height of 8 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.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.