County · Indiana
Washington County, Indiana: drinking water records
This overview covers 5 ZIP codes and 5 community water systems in Washington County. It also stands in for 0 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 |
|---|---|---|---|---|---|
| East Washington Rural Water IN5288002 | 8,613 | 120 | 0 | 4 | 1.3 ppb |
| Salem Water Works IN5288005 | 8,200 | 120 | 0 | 20 | 0 ppb |
| Posey Township Water Corp. IN5288006 | 3,500 | 180 | 0 | 0 | 2 ppb |
| New Pekin Water Utility IN5288004 | 2,150 | 120 | 1 | 0 | 0 ppb |
| Campbellsburg Water Works IN5288001 | 900 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Washington County
No ZIP report in this county is published yet.
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.