Water Quality Annual Report
Seattle water: less than a penny per gallon delivered to your tap.
Seattle Public Utilities (SPU) provides some of the highest quality drinking water in the nation because it comes from pristine, protected mountain sources: the Cedar River and South Fork Tolt River watersheds.
Each year, SPU provides customers with information about the quality of their drinking water, as required by the federal Safe Drinking Water Act (SDWA). Learn more about your healthy water and water system:
- Read the 2012 Water Quality Annual Report: More Than 100 Years of Water Stewardship (pdf).
- View how SPU protects the water supply by operating two state-of-the-art treatment facilities, a comprehensive water quality laboratory, and covering its storage reservoirs to ensure the safety of the water supply – with the added benefit of providing space for parks.
Seattle has some of the best tasting water in the nation and it’s a bargain – less than a penny per gallon delivered to your tap.
Archived Water Quality Reports
The following reports are in PDF format: