ZIP 17007: your water comes from South Middleton TWP Water Auth

South Middleton TWP Water Auth is the only community water system that reports serving ZIP 17007 (Cumberland County, Pennsylvania) 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 South Middleton TWP Water Auth