How to find us
Phone: 206-296-4600 TTY Relay: 711
Toll-free: 800-325-6165
Click here to email us
Instructions to submit a Public Records Request
A well-managed system works well and lasts a long time. A system that doesn't work or "fails" is an immediate health risk. As the owner of a septic system, you are its "Operation and Maintenance Manager."