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PFAS and Drinking Water

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Learn about these chemicals and your health.

On Nov. 8, 2018, Tacoma Water announced an isolated number of customers may have had exposure to perfluorinated substances (PFAS) in drinking water. The exposure risk is only for customers who collected water in their own containers from the well at 7440 S. Cedar Street in the south end of Tacoma. Read more about the well and Tacoma Water’s testing.

For questions about your water quality, contact Tacoma Water's Water Quality Team at (253) 502-8207 or Below are answers to frequently asked questions about PFAS and their possible health effects.


  • What are the chemicals involved?
  • Do I need immediate medical attention if I consumed water from the well on South Cedar Street in South Tacoma?
  • Do I need to get my blood levels tested?
  • How can PFAS affect my health?
  • How can exposure to PFAS happen?
  • Do drinking water standards exist for PFAS?
  • Other than water and food, what are other sources of exposure?


Learn more about PFAS, their health effects, and efforts to remove them from drinking water: