ZIP 11973: your water comes from Brookhaven National Laboratory

Brookhaven National Laboratory is the only community water system that reports serving ZIP 11973 (Suffolk County, New York) under EPA's UCMR 5 (reported by the system to EPA). PFAS-4 at the latest sample (2025): 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.

See the full PFAS results for Brookhaven National Laboratory