ZIP 10604: your water comes from White Plains City
White Plains City is the only community water system that reports serving ZIP 10604 (Rye Brook and White Plains, Westchester County, New York) under EPA's UCMR 5 (reported by the system to EPA). PFAS-4 at the latest sample (2024): below the 3 to 4 ng/L reporting limit. 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.