Terrace Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Mountlake Terrace City Water to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way. You can find CCR report on the Mountlake Terrace City Water website.

Contact Mountlake Terrace City Water Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
6204 215th Street Southwest
Mountlake Terrace, Washington 98043

425-670-8264
ELafrance@ci.mlt.wa.us

Emergency (24 hours - broken water main or pipeline, etc.)
425-670-8264

Pay Your Mountlake Terrace Utilities Bill

Already have an account?

If you already have an account, you just need to login to the Mountlake Terrace Utilities site. Mountlake Terrace Utilities accepts credit cards, debit, and direct deposit. Click here to login.

Want to create a new account?

You can create a new account on the Mountlake Terrace Utilities website. Once you create the account, you can setup payment with credit, debit, or direct deposit. Click here to create an account.

Want to pay without an account?

You can make a one-time payment without creating an account. You will need to have your credit or debit card in order to make the one time payment. Click here to make a one time payment.

How to Start Mountlake Terrace Water Service

Starting Your Service

When you move to a new home in Terrace, you'll most likely already have running water, but you'll still need to set up water service with the Mountlake Terrace Utilities. Luckily, Mountlake Terrace has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Terrace, you'll need to stop your water service with the Mountlake Terrace Utilities, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.