Holiday closure Monday May 28: Most county offices will be closed in observance of Memorial Day.

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: 206-684-1280
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

Choose to walk, bike, bus or carpool.

  

Choose to walk, bike, bus, or carpool

Transportation exhaust and automotive parts pollute the air and pavement and eventually come to rest in sediments and water.

Did you know? Forty percent of all car trips are made within two miles of home.

Find out how you can help keep water clean!
Keep water clean

Keep cars maintained; fix leaks.
Keep your car maintained

Use commercial car washes or the grass.
Use commerical car washes

 

External resources 

Get started now; tools to help 

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Its easy being green, let King County show you how