ZIP 48647: your water comes from Big Creek/Mentor Utility Authority

Big Creek/Mentor Utility Authority is the only community water system that reports serving ZIP 48647 (Mio, Oscoda County, Michigan) 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.

See the full PFAS results for Big Creek/Mentor Utility Authority