County · Pennsylvania
Jefferson County, Pennsylvania: drinking water records
This overview covers 24 ZIP codes and 11 community water systems in Jefferson County. It also stands in for 11 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Pa American Water Punxsy PA6330010 | 8,419 | 120 | 0 | 0 | 0 ppb |
| Brookville Municipal Auth PA6330004 | 6,220 | 120 | 1 | 0 | 2.1 ppb |
| Brockway Boro Municipal Auth PA6330002 | 4,384 | 240 | 0 | 0 | 1.3 ppb |
| Sykesville Borough PA6330013 | 1,500 | 0 | 0 | 2 | 9 ppb |
| Falls Creek Boro Mun Auth PA6330007 | 1,440 | 0 | 0 | 14 | 6 ppb |
| Henderson Township Mun Auth PA6330014 | 354 | 0 | 0 | 2 | 5 ppb |
| Soldier Water System PA6330020 | 250 | 0 | 0 | 3 | 16.2 ppb |
| Reynoldsville Water Auth PA6330011 | 2,908 | 0 | 0 | 0 | 5 ppb |
| Eldred TWP Munic Auth PA6330840 | 700 | 0 | 0 | 0 | 5.2 ppb |
| Summerville Boro Mun Auth PA6330012 | 700 | 0 | 0 | 0 | 3.3 ppb |
| Knox Township Munic Authority PA6330008 | 300 | 0 | 0 | 0 | 4.6 ppb |
ZIP reports in Jefferson County
No ZIP report in this county is published yet.
These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 15730, 15744, 15764, 15770, 15776, 15778, 15780, 15784, 15860, 15864, 16240.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.