ZIP 07405: your water comes from Butler Water Dept
Butler Water Dept is the only community water system that reports serving ZIP 07405 (Butler and Kinnelon, Morris County, New Jersey) under EPA's UCMR 5 (reported by the system to EPA). PFAS-4 at the latest sample (2023): 8.5 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.
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.