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King County is rebuilding a damaged sewer pipe to maintain reliable sewer service for West Seattle residents near Lowman Beach Park. This work protects public health and Puget Sound.
The Murray Pump Station has two pressurized sewer pipes, also known as force mains. These pipes run parallel under Beach Drive Southwest and help move sewage to West Point Treatment Plant, where it is cleaned and safely discharged into Puget Sound. In March 2022, one of the pressurized pipes broke due to severe corrosion. King County repaired about 800 feet of the damaged pipe at that time. This project will repair the remaining 350 feet of damaged pipe and install two air valves to help reduce pipe corrosion in the repaired pipe.
This work needs to occur during the dry season when sewage flows are lower. Construction will take about six weeks to complete. Road and park restoration will occur in fall 2026 after the pipe is rebuilt. We will provide additional information in the coming months.
What to expect during construction:
- One-lane alternating traffic on Beach Drive SW, with steel plates in the road - Bicyclists should use extreme caution passing through the work area.
- Lowman Beach Park playground will be closed during construction to keep everyone safe.
- No interruption to wastewater service.
 Note: Construction area shown on the map is approximate.
Our project team wants to make sure everyone can access information and participate. We know that people may need accommodations to access this map. If you do, please contact us and we will work one-on-one with you to meet your needs.
- Call or email Frances Kuo at 206-263-9237 or mkuo@kingcounty.gov
- Scan the QR code or click to sign up for the email update:
ALTERNATE FORMATS AVAILABLE – 206-477-5371 OR TTY RELAY: 711
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