Suspected contamination source: Firefighting foam used at Williams Air Force Base (WAFB) located in Mesa, Arizona (EPA, 2017)
The contamination is believed to have come from the former Williams Air Force Base (WAFB) located in Mesa, Arizona, one town East of Tempe. Aqueous film-forming foam (AFFF) which contains PFASs that were used on the base and in training likely contaminated groundwater.
Additional Resources:
Emerging Contaminants in Arizona Water
Media Coverage:
- Chemicals in 3 Arizona water systems exceed new EPA guideline
- West Valley company dealing with contaminants found in water
Full citations are available on the second page of the full contamination site tracker. We ask for your additions, changes, questions and comments be sent to pfasproject@gmail.com.