Metropolitan Sludge Ponds (Lagoon)

WASTEWATER LAGOONS (4)· Lane, Oregon· Built 1987· Earth· 15 ft tall
Low Hazard Other Local Government

Key Takeaway

Metropolitan Sludge Ponds (Lagoon) is classified as low hazard in Oregon. It was completed in 1987 and is 39 years old. Its primary use is other.

Physical Details

Dam Height 15 ft (taller than 16% in OR)
Dam Length4,800 ft
Dam TypeEarth
Max Storage160 acre-ft
Normal Storage160 acre-ft
Surface Area25 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1987 (39 years old)
NID IDOR03086

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
Last Inspection: May 19, 2016
State Regulated: Yes
Regulatory Agency: OWRD

Ownership

METROPOLITAN WASTEWATER MGMT COMMISSION

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Metropolitan Sludge Ponds (Lagoon)?

Metropolitan Sludge Ponds (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 Metropolitan Sludge Ponds (Lagoon)?

Metropolitan Sludge Ponds (Lagoon) is owned by METROPOLITAN WASTEWATER MGMT COMMISSION (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Metropolitan Sludge Ponds (Lagoon) built?

Metropolitan Sludge Ponds (Lagoon) was completed in 1987, making it 39 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 Metropolitan Sludge Ponds (Lagoon)?

Metropolitan Sludge Ponds (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 Metropolitan Sludge Ponds (Lagoon)?

Metropolitan Sludge Ponds (Lagoon) has a dam height of 15 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.

When was Metropolitan Sludge Ponds (Lagoon) last inspected?

Metropolitan Sludge Ponds (Lagoon) was last inspected on May 19, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.