Sacheen Lake Wwtp Lagoons

Pend Oreille, Washington· Built 2016· Earth·
High Hazard Other Public Utility

Key Takeaway

Sacheen Lake Wwtp Lagoons is classified as high hazard in Washington. It was completed in 2016 and is 10 years old. Its primary use is other. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Length3,169 ft
Dam TypeEarth
Max Storage120 acre-ft
Normal Storage38 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed2016 (10 years old)
NID IDWA00738

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: November 15, 2021
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Sacheen Lake Water & Sewer District

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sacheen Lake Wwtp Lagoons?

Sacheen Lake Wwtp Lagoons is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Sacheen Lake Wwtp Lagoons?

Sacheen Lake Wwtp Lagoons is owned by Sacheen Lake Water & Sewer District (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sacheen Lake Wwtp Lagoons built?

Sacheen Lake Wwtp Lagoons was completed in 2016, making it 10 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 Sacheen Lake Wwtp Lagoons?

Sacheen Lake Wwtp Lagoons 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 Sacheen Lake Wwtp Lagoons last inspected?

Sacheen Lake Wwtp Lagoons was last inspected on November 15, 2021. 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.