Why have PFOA and PFOS become a problem now?

In 2020 the New Jersey Department of Environmental Protection (DEP) set new limits on PFOA and PFOS in drinking water (limits that are well below the current federal health advisory levels). With regular testing required starting in 2021. The water itself has not changed.

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1. How much PFOA and PFOS is there in Hawthorne water?
2. Where do PFOA and PFOS come from?
3. Why have PFOA and PFOS become a problem now?
4. What are the limits for PFOA and PFOS as set by the NJ DEP?
5. Is Hawthorne water safe to drink?
6. What, if any, health problems are associated with ingesting PFOA or PFOS?
7. What should I do if I believe that I or someone in my family is experiencing health problems associated with PFOA or PFOS?
8. Is it safer to drink bottled water?
9. Will home water filters remove PFAS from the water?
10. Does boiling the water remove PFOA and/or PFOS?
11. How does Hawthorne intend to comply with the new DEP Maximum Contaminant Levels for PFOA and PFOS??
12. When will Hawthorne's new treatment system for PFOA and PFOS be operational?
13. How much will the new treatment system or PFOA and PFOS cost?
14. How will the Borough pay for the cost of the treatment system for PFOA and PFOS?