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Wastewater Treatment

King County, Washington

For questions about the Wastewater Treatment Division website, please send an e-mail message or contact us at:

King Street Center
201 S. Jackson St., Suite 500
Seattle, WA 98104-3855
Phone: 206-477-5371
Fax: 206-684-1741
Telecommunication device for the deaf (TTY): 711

Get Directions to our office location in Seattle, Washington.

Staff Contacts

Only 1 percent of water on earth is fresh and available

Wash full loads of laundry; wear clothes until dirty.Wash full loads of dishes; choose efficient settings.


Choose full loads for laundry and dishwashers

How many times do you wear a piece of clothing or use a water glass before washing it? Try to reduce the number of loads you wash, choose efficient settings and fill it up completely before you start it.

When purchasing a new washer look for water and energy efficient models (external link).

Did you know? Dishwashers almost always use less water than washing by hand. 

Helpful hint: if you wash your dishes by hand, you can save water by partially filling the sink to wash and rinse instead of running the faucet.







Find out how you can help save water!
Use less water

Turn off faucets. Collect excess water in a bucket.
Turn off faucets

Fix leaks; monitor meters for water use.
Fix leaks


External resources 

Get started now; tools to help 

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