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Wastewater Treatment Plant Expansion
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What's New
The portion of the East Slope Walking Trail near the north entrance to the Chambers Creek Regional Wastewater Treatment Plant in University Place is now open. This portion of the trail parallels Chambers Creek Road West.
About the project

Work has begun on a $353 million project to increase capacity and environmental benefit at the Chambers Creek Regional Wastewater Treatment Plant. As our population increases and new customers connect, we need to expand the treatment capability of the plant and replace aging infrastructure before it wears out.

Benefits include:
  • Increased sewer capacity
  • Repair and replace aging infrastructure 
  • New technologies that help protect the environment

Project Location
Project
Location

Project Timeline
Project
Timeline

Project Photos
Project
Photos

DEMON (Anammox)
DEMON
Process
Pilot Study

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Additional
Information

Project Funding

Total Project Cost: Approximately $353 million

Project Funding Sources: Bond sales, a $13 million Public Works Trust Fund loan, connection charges for new developments, state grants, monthly rates collected from sewer customers.

General Contractor/Construction Management Team: Brown & Caldwell and Mortenson Construction

Contact Us
For More Information

Ryan Dooley, P.E.
Project Manager
Ph: (253) 798-4280

Arnie Sheppard,
Construction Manager
Ph: (253) 798-4647

Contact Us
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