County · Ohio
Washington County, Ohio: drinking water records
This overview covers 15 ZIP codes and 15 community water systems in Washington County. It also stands in for 5 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 |
|---|---|---|---|---|---|
| Belpre City PWS OH8400012 | 6,441 | 60 | 2 | 1 | 3 ppb |
| Waterford Water/Sewer Association OH8401112 | 770 | 60 | 1 | 1 | 1.1 ppb |
| Marietta City PWS OH8400412 | 18,707 | 60 | 3 | 0 | 0.6 ppb |
| Little Hocking Water Association, INC. OH8400212 | 9,892 | 60 | 0 | 0 | 4.2 ppb |
| Warren Comm W and S Assn 2 OH8402703 | 7,215 | 60 | 2 | 0 | 1.5 ppb |
| Putnam Community Water Association PWS OH8400712 | 2,744 | 60 | 2 | 0 | 6.7 ppb |
| Newport Water/Sewer District PWS OH8400612 | 1,582 | 0 | 0 | 1 | 1.4 ppb |
| Highland Ridge W and S Association INC OH8403203 | 3,022 | 0 | 0 | 0 | 1.9 ppb |
| Tri-County Rural W and S District OH8403112 | 3,000 | 0 | 0 | 0 | 3.2 ppb |
| Reno Water and Sewer 1 OH8402503 | 2,189 | 0 | 0 | 0 | 0.5 ppb |
| Beverly Village PWS OH8400112 | 1,900 | 0 | 0 | 0 | 1.7 ppb |
| Reno Water and Sewer 2 OH8402803 | 1,520 | 0 | 0 | 0 | 0.6 ppb |
| Matamoras Village OH8400512 | 896 | 0 | 0 | 0 | 0 ppb |
| Lowell Village PWS OH8400312 | 603 | 0 | 0 | 0 | 2.7 ppb |
| Reno Water and Sewer - Kardex OH8402903 | 446 | 0 | 0 | 0 | 0.3 ppb |
ZIP reports in Washington 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: 45721, 45746, 45773, 45788, 45789.
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.