Lead Water Service Line Inventory

Water Service Line Identification Form

Water suppliers in Washington State are required to compile a complete inventory of drinking water service line materials used throughout the water system by the end of 2024. This includes district-owned and customer-owned service lines that will be one of three to four different types of materials. The drinking water service line is the pipe that runs from the water meter at your property to your residence, as shown in the illustration below.

Completing the step-by-step form below will help determine your drinking water service line material.

By taking part in this important program, you are helping to provide critical information that is needed to determine your water service line material. We respectfully ask that you please take the time to complete this form and to answer the questions to the best of your ability.

Thank you!

How to Identify Your Water Service Line Material

Before filling out this form, please review and follow the instructions for self-identifying service lines from the information below or from the mailer you received from us. It’s OK if you’re not 100% certain of the material. If you have any questions or need assistance with determining your service line material, please contact our office at 425-868-1144.

Customer Input Form – Water Service Line Information

Please fill out the information below to the best of your ability

Service Address

Are you the owner or tenant (renter) at the address above?

Your First Name here

Your Last Name here

Your Email Address here

Has your service line been replaced in the past?

If your service line was replaced in the past, what year was it replaced?

If your service line was replaced in the past, what was the old material?

If your service line was replaced in the past, what was the new material?

What is the material of your existing service line? See instructions above.

Did you use the "scratch test" above to identify your existing service line material?

Upload a photo of your water service line File InputChoose FilesNo Files ChosenAccepted file types: jpg, jpeg, jpe, gif. Max. file size: 15 MB

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Lead Water Service Line Inventory

Water Service Line Identification Form

How to Identify Your Water Service Line Material

Customer Input Form – Water Service Line Information

Please fill out the information below to the best of your ability

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