County · Pennsylvania
Clarion County, Pennsylvania: drinking water records
This overview covers 22 ZIP codes and 14 community water systems in Clarion County. It also stands in for 10 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 Co Clarion PA6160001 | 10,372 | 120 | 0 | 0 | 1 ppb |
| Redbank Valley Mun Auth PA6160010 | 3,150 | 0 | 0 | 2 | 2.6 ppb |
| Hawthorn Redbank Redbank Ma PA6160026 | 1,500 | 0 | 0 | 6 | 1.8 ppb |
| East Brady Water System PA6160003 | 1,040 | 0 | 0 | 4 | 17.2 ppb |
| Foxburg Area Water & Sewer Aut PA6160004 | 925 | 0 | 0 | 1 | 14 ppb |
| Fryburg Water Company PA6160030 | 490 | 0 | 0 | 1 | 4.1 ppb |
| St Petersburg Municipal Water PA6160013 | 465 | 0 | 0 | 3 | 3 ppb |
| Huefner Spring Water PA6160039 | 300 | 0 | 0 | 1 | 83.5 ppb |
| Perryville Water Association PA6160011 | 120 | 0 | 0 | 1 | 2 ppb |
| Rimersburg Boro Muni Auth PA6160012 | 1,873 | 0 | 0 | 0 | 17.9 ppb |
| Knox Water Works PA6160005 | 1,380 | 0 | 0 | 0 | 0.8 ppb |
| Pawc Corner PA6160027 | 857 | 0 | 0 | 0 | 7 ppb |
| W Freedom Water Assn PA6160021 | 250 | 0 | 0 | 0 | 19.8 ppb |
| Hartzell Mobilehome Park PA6160020 | 80 | 0 | 0 | 0 | 18.7 ppb |
ZIP reports in Clarion 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: 16213, 16220, 16224, 16233, 16254, 16260, 16326, 16331, 16332, 16361.
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.