Seattle Public Utilities
Mami Hara, General Manager/CEO
Sewer (Wastewater) Rates
What do your sewer and drainage rates pay for?
Protecting local waterways from sewage overflows…
Preventing flooding, landslides, and sewer backups…
Maintaining, repairing, and replacing pipes and pumps…
Protecting local waterways from pollution…
Protecting local waterways from stormwater runoff…
Relocating sewer and drainage pipelines for major projects.
Current rates are:
| Residential & Commercial | 2018 | 2019 |
|---|---|---|
| Typical Monthly Residential Bill | $57.88 | $62.26 |
| Rate per CCF (100 cubic feet) | $13.46 | $14.48 |
- 1 CCF equals 748 gallons.
- The typical single family residential customer generates 4.3 CCF of wastewater per month.
- Most residential customers are billed every two months.
- There is a one CCF minimum charge per premise per month.
- Summer (May – Oct) residential sewer bills are based on the average consumption during the winter (Nov – Apr).
- Sewer Standard, Connection and Administrative Charges (pdf).
Eligible low-income customers can receive a 50% credit on their bill. For more information, please see Payment Assistance Program.