Commission hears PFAS testing update: Silver Lake readings reported just above 3 ppt

Apr 28, 2026

A staff update reported PFAS detections in Brockton's Silver Lake just above 3 parts per trillion and non-detect results at a desalination plant; commissioners noted a federal PFAS standard change to 4 ppt in 2027 and discussed testing challenges and costs.

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Commissioners heard an update on PFAS testing in local water supplies during the April 28 meeting. Patrick Hill reported that Brockton's Silver Lake recorded low PFAS levels just above 3 parts per trillion, while the desalination plant returned non-detect results.

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