County · Ohio
Mahoning County, Ohio: drinking water records
This overview covers 28 ZIP codes and 7 community water systems in Mahoning 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 |
|---|---|---|---|---|---|
| Sebring Village PWS OH5001911 | 6,058 | 120 | 0 | 5 | 0 ppb |
| Youngstown City PWS OH5002303 | 130,530 | 95 | 2 | 0 | 0 ppb |
| Aqua Ohio - Struthers OH5001611 | 58,551 | 120 | 1 | 0 | 0 ppb |
| Canfield City PWS OH5000503 | 7,706 | 120 | 4 | 0 | 0 ppb |
| Jackson/Milton Metro Water District PWS OH5054212 | 3,728 | 120 | 6 | 0 | 0 ppb |
| Island Creek Homeowners OH5001812 | 50 | 0 | 0 | 1 | 0 ppb |
| M and C Mobile Home Park OH5000912 | 58 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Mahoning 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.