King County resources
Facilities and utilities maps
King County Wastewater Treatment Service Area Maps
Capacity Charge Program
WTD fees for new connections
Industrial Waste Program
This program administers regulations to make sure the wastewater generated by industries is treated properly.
Maintain your side sewer
To prevent side (lateral) sewer problems know your pipe – where it is located, how old it is and any known tree root problems.
Report a problem
Sewer construction issues, sewage spill response and odor complaints.
Utility Notification Center (Washington) - Call 811
The Utility Notification Center is open 24 hours a day, 7 days a week, and accepts calls from contractors, homeowners, or anyone planning to dig. Locate requests are accepted over the phone, through a fax-a-locate program, or through the ITIC program.