Panther Lk First Avenue Bas Detent Pond

Hylebos Creek - Offstream· King, Washington· Built 2000· Earth·
High Hazard Flood Risk Reduction Private

Key Takeaway

Panther Lk First Avenue Bas Detent Pond is classified as high hazard in Washington. It was completed in 2000 and is 26 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 TypeEarth
Max Storage18 acre-ft
Normal Storage1 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Max Discharge52 cfs
Year Completed2000 (26 years old)
Year Modified1998
NID IDWA01747

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: October 31, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Federal Way Nat' Lit League

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Panther Lk First Avenue Bas Detent Pond?

Panther Lk First Avenue Bas Detent 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 Panther Lk First Avenue Bas Detent Pond?

Panther Lk First Avenue Bas Detent Pond is owned by Federal Way Nat' Lit League (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Panther Lk First Avenue Bas Detent Pond built?

Panther Lk First Avenue Bas Detent Pond was completed in 2000, making it 26 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 Panther Lk First Avenue Bas Detent Pond?

Panther Lk First Avenue Bas Detent 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 Panther Lk First Avenue Bas Detent Pond last inspected?

Panther Lk First Avenue Bas Detent Pond was last inspected on October 31, 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.