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Norfolk board discusses private-well testing, PFAS and model sampling guidance
Summary
Board members discussed proposed amendments to minimum sanitation standards for private and semi-private water supplies, referenced DEP/DPH model sampling guidance, and highlighted nitrate and PFAS testing as likely starting points for new local standards.
Board members and staff discussed proposed amendments to minimum sanitation standards affecting private, semi-private and public water supplies, including how PFAS testing might be phased in for new wells while avoiding undue burden on existing homeowners. Andy and Matt agreed to meet and use the state’s model sampling guidance as a starting point.
Matt referenced nitrate examples as part of the sampling conversation, noting the drinking-water standard for nitrates is 10 mg/L and that wells in town have measured values in the single digits; Betsy recalled a local well that measured about 14 mg/L and required a filtration system. The board agreed to examine DEP/DPH guidance and meet to draft balanced local standards that address PFAS for new wells while minimizing homeowner burden.
