Bonney Lake Wsu Infiltration Pond

Offstream· Pierce, Washington· Built 2018· Earth·
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Bonney Lake Wsu Infiltration Pond is classified as high hazard in Washington. It was completed in 2018 and is 8 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 Length1,000 ft
Dam TypeEarth
Max Storage53 acre-ft
Normal Storage0 acre-ft
Surface Area13 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed2018 (8 years old)
NID IDWA02010

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: July 6, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Bonney Lake City

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bonney Lake Wsu Infiltration Pond?

Bonney Lake Wsu Infiltration Pond 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 Bonney Lake Wsu Infiltration Pond?

Bonney Lake Wsu Infiltration Pond is owned by Bonney Lake City (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bonney Lake Wsu Infiltration Pond built?

Bonney Lake Wsu Infiltration Pond was completed in 2018, making it 8 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 Bonney Lake Wsu Infiltration Pond?

Bonney Lake Wsu Infiltration Pond 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 Bonney Lake Wsu Infiltration Pond last inspected?

Bonney Lake Wsu Infiltration Pond was last inspected on July 6, 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.