Are private (domestic) wells located below (downgradient of) the landfill impacted by PFAS?

Some concentrations of PFAS in domestic wells in the vicinity of landfill has been reported by homeowners and the MassDEP/UMass private well testing performed in 2021.  

At the request of MassDEP in 2021, the Town prepared a surface water and ground water sampling plan for the landfill site.  The sampling plan was submitted to MassDEP with Form SW-22 in December 2021.  The SW-22, related documents and status can be obtained here:  https://eeaonline.eea.state.ma.us/EEA/PublicApp/ with "Search All Online Authorizations"  

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1. Are there public drinking water standards concerning PFAS?
2. Does MassDEP have a program to support private (domestic) well testing?
3. Does the aquifer that the Island gets groundwater from have PFAS in it?
4. Can I hook up to public water? If Yes, how?
5. Are septic systems or private wastewater treatment within a Zone II aquifer wellhead protection area regulated for PFAS? If so, how?
6. Who is available to perform PFAS Sampling & Testing?
7. Can PFAS drinking water or soil standards be applied to leachate or co-compost?
8. Are private (domestic) wells located below (downgradient of) the landfill impacted by PFAS?
9. Is there a plan to collect PFAS samples from the Wastewater Treatment Facility (WWTF) and landfill site?
10. Did Waste Options perform PFAS testing at the landfill in the summer of 2019?
11. Even though 2019 PFAS testing was done with an imperfect method at the time (EPA 537), were the results found concerning?
12. What were the results of the testing of private wells that were sampled by MassDEP/UMass?