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

Find out how you can help keep water clean!

You are the solution to keeping water clean

All the water from houses and buildings will end up in the Puget Sound after passing through a treatment plant. All water that enters storm drains will also end up in the Puget Sound. Click on the "hotspots" in the picture to find out how you can help keep water clean and prevent pollution!

Keep water clean

Keep cars maintained; fix leaks
Keep your car maintained

Put trash in a trash can, not the toilet
Put trash in a trash can

Pick up pet waste and throw in trashcan
Pick up pet waste

Choose natural, simple products. Avoid fragrances, phosphorous and chemicals.
Choose natural, Simple products

Reduce fertilizers and pesticides: choose natural yard care.
Choose natural lawn care

Choose to walk, bike, bus or carpool.
Walk, bike, bus,
or carpool

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

Return medicines to a pharmacy or put in a trash can.
Properly dispose of medicine

Take hazardous waste to a disposal facility.
Hazardous waste
disposal

Grease clogs drains
Minimize garbage disposal use 

       

Pick up pet wastePut trash in the trash can, not the toiletPrevent kitchen sink clogsdispose of hazardous wastechoose natural yard carekeep your car maintaineduse a commercial car washtake the bus, bike, walk, or carpoolchoose natural yard careUse natural simple productsChoose to walk, bike, bus, or carpool