Construction - reclaimed water pipeline

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Construction activities - reclaimed water pipeline

When it comes online, Brightwater will produce about 7 million gallons of Class A reclaimed water each day for on- and off-site use, and eventually up to 21 million gallons per day as demand requires.

The construction of the reclaimed water distribution system includes:

• Installation of a reclaimed water pipe in the main conveyance tunnel, running from the treatment plant to the Ballinger Portal. This is being built as part of the conveyance tunneling and piping and will provide for future distribution as needed.
• Development of a reclaimed water line running through the Sammamish Valley, including:
• Installation of approximately 2.5 miles of new pipe
• Conversion of approximately 4.5 miles of existing pipeline for reclaimed water use
• Modifications to the existing conveyance system including work at the North Creek, Woodinville, and York pump stations.

Start-up and commissioning will be in concert with start-up of the Brightwater system.

Graphic of the Brightwater Reclaimed Water System. Available as PDF (153 KB)

Read more about Brightwater reclaimed water system in Sammamish Valley as part of the county's reclaimed water program.

Want to learn more?

• For construction-related questions and urgent issues, contact the construction information line at 206-205-5989 (remember to dial 911 for emergencies)
• For general questions and information about Brightwater call 206-263-9453, or 711 for TTY access, or email us at: brightwater@kingcounty.gov

King County Brightwater Project
22505 State Route 9
Woodinville, WA 98072
E-mail: Brightwater
Phone: 206-263-9453
TTY Relay: 711

Driving directions to Brightwater project office.

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