County · Ohio
Lorain County, Ohio: drinking water records
This overview covers 15 ZIP codes and 15 community water systems in Lorain 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 |
|---|---|---|---|---|---|
| Oberlin Water Department OH4700911 | 8,600 | 120 | 4 | 2 | 0 ppb |
| Wellington Village PWS OH4701511 | 4,802 | 120 | 0 | 1 | 2.4 ppb |
| Rural Lorain Co. Water a OH4701803 | 73,125 | 300 | 2 | 0 | 0 ppb |
| Elyria Water Department OH4700411 | 68,000 | 120 | 0 | 0 | 0 ppb |
| Lorain City PWS OH4700711 | 64,152 | 120 | 0 | 0 | 0 ppb |
| North Ridgeville City PWS OH4700803 | 29,465 | 240 | 0 | 0 | 0 ppb |
| Avon City PWS OH4700203 | 23,800 | 360 | 0 | 0 | 0 ppb |
| Avon Lake City PWS OH4700311 | 23,659 | 120 | 0 | 0 | 0 ppb |
| Amherst City PWS OH4700003 | 11,797 | 240 | 0 | 0 | 2.5 ppb |
| Sheffield Lake City PWS OH4701103 | 9,108 | 120 | 0 | 0 | 1.9 ppb |
| Sheffield Village PWS OH4701203 | 4,165 | 120 | 0 | 0 | 0 ppb |
| Lagrange Village PWS OH4700603 | 2,400 | 0 | 0 | 4 | 0 ppb |
| Grafton Village PWS OH4700511 | 2,769 | 0 | 0 | 0 | 1.5 ppb |
| South Amherst Village PWS OH4701411 | 1,688 | 0 | 0 | 0 | 1.6 ppb |
| Pheasant Run Association PWS OH4701912 | 1,550 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Lorain 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.