ZIP 02558: your water comes from Onset Fire Districtwater Dept.
Onset Fire Districtwater Dept. is the only community water system that reports serving ZIP 02558 (Plymouth County, Massachusetts) under EPA's UCMR 5. PFAS-4 at the latest sample (2025): 5.2 ng/L. Systems report their own ZIP lists to EPA; if your water bill names another utility, that utility's page carries its own results.
See the full PFAS results for Onset Fire Districtwater Dept.
Where this ZIP is
This site is a data project, not an official source. If in doubt, check with your water supplier or local authority.