Water Treatment Plant
Seattle Water Treatment Plant
Quick answer
The Seattle Water Treatment Plant is a public drinking water treatment facility serving Seattle, Washington. It has a treatment capacity of 150.6 million gallons per day. The plant operator certification is: Class A (State certified).
About this treatment plant
Facility name
Seattle Water Treatment Plant
Location
1668 Treatment Plant Road, Seattle, WA
Treatment capacity
150.6 million gallons / day
Operator certification
Class A (State certified)
Source water
Surface water
(Cedar/Tolt watersheds)
Disinfection
Free chlorine
Utility operating this plant
B
City of Seattle Water Department
Top concern: Lead detected in source water
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Contact information
For questions about water quality, treatment processes, or service issues at Seattle Water Treatment Plant, contact the operating utility directly.
City of Seattle Water Department
Phone(206) 332-9402
Emailwater@seattle-wa.gov
Websiteseattle-wa.gov/water
Water Quality Contact
Phone(206) 472-5246