Water Treatment Plant

Seattle Water Treatment Plant

Located at 1668 Treatment Plant Road, Seattle, WA. Operated by City of Seattle Water Department.

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

C
68/100

City of Seattle Water Department

Serves 753,000 residents in Seattle, Washington

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.