Cusick Polishing Lagoon

Offstream - Pend Oreille River· Pend Oreille, Washington· Built 1978· Earth·
Significant Hazard Other Local Government

Key Takeaway

Cusick Polishing Lagoon is classified as significant hazard in Washington. It was completed in 1978 and is 48 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length1,950 ft
Dam TypeEarth
Max Storage65 acre-ft
Normal Storage0 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1978 (48 years old)
NID IDWA02036

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: September 12, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Cusick Town

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cusick Polishing Lagoon?

Cusick Polishing Lagoon is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Cusick Polishing Lagoon?

Cusick Polishing Lagoon is owned by Cusick Town (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cusick Polishing Lagoon built?

Cusick Polishing Lagoon was completed in 1978, making it 48 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 Cusick Polishing Lagoon?

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

When was Cusick Polishing Lagoon last inspected?

Cusick Polishing Lagoon was last inspected on September 12, 2023. 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.