Bellevue Detention Pond 165

West Tributary Kelsey Creek· King, Washington· Built 1983· Earth·
Low Hazard Flood Risk Reduction Debris Control Local Government

Key Takeaway

Bellevue Detention Pond 165 is classified as low hazard in Washington. It was completed in 1983 and is 43 years old. Its primary use is flood risk reduction.

Physical Details

Dam Length80 ft
Dam TypeEarth
Max Storage73 acre-ft
Normal Storage42 acre-ft
Surface Area12 acres
Drainage Area1 sq mi
Max Discharge31 cfs
Year Completed1983 (43 years old)
NID IDWA00479

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: August 23, 2023
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

Bellevue City Utilities Dept

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bellevue Detention Pond 165?

Bellevue Detention Pond 165 is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Bellevue Detention Pond 165?

Bellevue Detention Pond 165 is owned by Bellevue City Utilities Dept (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bellevue Detention Pond 165 built?

Bellevue Detention Pond 165 was completed in 1983, making it 43 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 Bellevue Detention Pond 165?

Bellevue Detention Pond 165 serves the following purposes: Flood Risk Reduction, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Bellevue Detention Pond 165 last inspected?

Bellevue Detention Pond 165 was last inspected on August 23, 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.