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City Utilities

The City of Mountlake Terrace provides water, sewer and stormwater utilities within the city limits, and bills every other month for these services. The city supplies nearly 2 million gallons per day of high-quality drinking water to more than 6,000 homes and businesses.

The city is committed to providing timely and accurate billings, collecting payments fairly and equitably, and meeting customer needs.

Relief Due to COVID-19 Emergency

Financial assistance is available to customers with a signed payment plan. Find more information here.

Water & Sewer Emergencies

For water or sewer line breaks, please contact our Public Works Department at 425-670-8264 between the hours of 7 a.m. and 3:30 p.m., Monday through Friday. For after-hours emergencies, please call the Snohomish County non-emergency number 425-407-3999 and they will reach our on-call staff.