FAQs

Please call our Public Works department at 206-275-7608 or fill out a service request.

Water is delivered to Mercer Island by Seattle Public Utilities via 16" and 24" water supply lines. The region’s fresh water supply comes primarily from two sources: The Cedar River Watershed and the Tolt River Watershed, both located in eastern King County. Click here for additional information on the Water Utility.

Registration is not required for one time payments. However, by registering you will be able to view prior history, set up automatic payments, and store payment information (note: payment information is only stored for property owners). 

You can pay with credit card, debit card, or you may issue an electronic check from your bank account (checking or savings).  American Express and gift cards with the Mastercard or Visa logo are not accepted.

Yes, you may use one payment method for part of the transaction and another payment method for other parts of the transaction.

AutoPay is a convenient option in which bills will be paid automatically each billing cycle on their due dates using your default credit card or bank account information. This will avoid late fees and having to remember when to pay. Login to your account and click on AutoPay to enroll.

Once your account is registered, go to the “My Profile” menu and select “Payment Methods.” Enter your preferred payment method, select the Default box, and click save. Go to the AutoPay section, choose your payment method, and click save. You will receive a confirmation email and must click the link in that email to complete the AutoPay set up.

Scheduled payments are individual payments that are scheduled for a specific date and amount prior to the bill due date. The date of a scheduled payment can be changed if it is adjusted before the date scheduled.

Customers can link multiple utility accounts and view and pay all your open bills with a single transaction. When registering bills under the same email address, you are given the option to link the related account within the service.

Multiple first email notifications scheduled for the same day, including for different bill types, are grouped into one email rather than sent separately. Payment receipts are sent individually. Editing account information such as changing an email or password will go across all linked accounts, however, changing settings such as AutoPay or paperless is only for the accessed account.