What is ACWD doing about treatment for PFAS?

ACWD has existing water treatment facilities in place to effectively safeguard your water supply with the use of reverse osmosis technology at our Newark Desalination Facility and the blending of groundwater and surface water at our Blending Facility. Both these methods are already implemented at our treatment facilities and have managed to keep the detections below the notification levels, thereby ensuring the treated water supplied to our customers meets all health-based standards. 

Federal and State MCLs are expected for select PFAS compounds in 2023 and 2025, respectively.  In anticipation of MCL establishments, ACWD is designing and building a treatment facility to address PFAS in groundwater at our Blending Facility.  Currently in design, the facility will treat up to 6 million gallons per day (MGD) of PFAS-impacted groundwater and may be potentially expanded to treat up to 15 MGD in the future, if needed.  In addition, the facility will restore reduced capacity that resulted from operational changes needed to minimize PFAS levels in the treated water delivered to customers.

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1. What are PFAS? Per – and Polyfluoroalkyl Substances (PFAS)
2. What are the sources of PFAS?
3. What are the health effects from PFAS?
4. What are California monitoring regulations on PFOA, PFOS, PFBS, and PFHxS?
5. Has ACWD tested its water for PFOA, PFOS, PFBS, or PFHxS?
6. How were tests conducted?
7. How often will ACWD monitor for PFAS?
8. What is ACWD doing about treatment for PFAS?
9. How will customers be updated about future testing results?
10. Where can I find more information?