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Collage, l-r: utility crews repairing a water main break in the street; utility worker kneeling over open meter box; utility worker tightening pipe fitting on top of water tank


We are available to help you 24 hrs/day, 7 days/week.

Call Operations Dispatch at (425) 398-4403 or send us an email request.

After hours with an emergency: 
call (425) 398-4400 for immediate assistance.

The Operations Department performs the operation, maintenance, inspection and repair of the District’s existing water and sewer systems, including all related support services. 

We're here to make sure you have the needed help when water or sewer emergencies occur. 

The following information and links will help you better understand the water and sewer services provided by the District.

Maintaining the life of your infrastructure. 

  • Our drinking water infrastructure consists of 270 miles of water mains and 22,000 meters and service connections.  In addition, we maintain 2,800 fire hydrants, eight storage tanks (with combined storage of twenty-nine million gallons), three pump stations, sixteen water quality sampling stations, over sixty-six control valve stations and 6,000 valves.  Water pressure is regulated via twenty-three different pressure zones which supply between 38 and 145 pounds per square inch (psi) -- average pressure is 78 psi.
  • Our wastewater infrastructure consists of 260 miles of sewer mains, 20,500 service connections, 5,600 manholes and cleanouts, fourteen sewer lift stations and 58 sewer conveyance basins.  The District’s F.O.G. (fats, oils, and grease) program ensures compliance with wastewater discharge standards and regulations of the applicable agency.

Ensuring your water quality.

  • We test your water consistently and monitor it twenty-four hours a day to ensure it meets or exceeds the strictest regulatory standards.  Our Cross-Connection program tracks the installation and annual testing of backflow assemblies per Washington State Department of Health requirements.

Helping you know what to do when problems happen. 

  • As a homeowner, you are responsible for the pipes and connections from your side of the water meter into, and within, your house, and issues on your private side sewer line up to the right of way.  Knowing at least the basics of troubleshooting issues on your private infrastructure can save you hassle, time and money.

The links below will help you answer the most commonly-asked questions.  Don't see what you need here?  Call (425) 398-4403.

Click HERE for additional Customer Service FAQs