Weyerhaeuser Enumclaw Flood Control Dam

Boise Creek· King, Washington· Built 1993· Other·
High Hazard Flood Risk Reduction Private

Key Takeaway

Weyerhaeuser Enumclaw Flood Control Dam is classified as high hazard in Washington. It was completed in 1993 and is 33 years old. Its primary use is flood risk reduction. 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 Length210 ft
Dam TypeOther
Max Storage182 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area9 sq mi
Max Discharge1,800 cfs
Year Completed1993 (33 years old)
NID IDWA00636

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: No
Last Inspection: August 4, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Miles Sand & Gravel

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Weyerhaeuser Enumclaw Flood Control Dam?

Weyerhaeuser Enumclaw Flood Control Dam 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 Weyerhaeuser Enumclaw Flood Control Dam?

Weyerhaeuser Enumclaw Flood Control Dam is owned by Miles Sand & Gravel (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Weyerhaeuser Enumclaw Flood Control Dam built?

Weyerhaeuser Enumclaw Flood Control Dam was completed in 1993, making it 33 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 Weyerhaeuser Enumclaw Flood Control Dam?

Weyerhaeuser Enumclaw Flood Control Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Weyerhaeuser Enumclaw Flood Control Dam last inspected?

Weyerhaeuser Enumclaw Flood Control Dam was last inspected on August 4, 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.