Lorain County tap water
0 of 11 water systems serving Lorain County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 16 community water systems list this county as served; 11 serve 3,300+ people with full PFAS testing.
- 2 had a health-based violation since 2021-10-26.
Largest systems serving this county
| System | Source | People served (whole system) | PFAS above a 2024 level? | Violations since 2021-10-26 |
|---|---|---|---|---|
| Rural Lorain CO. Water A | Purchased surface water | 73,125 | No | 0 |
| Elyria Water department | Surface water | 68,000 | No | 0 |
| Lorain City PWS | Surface water | 64,152 | No | 0 |
| North Ridgeville City PWS | Purchased surface water | 37,786 | No | 0 |
| Avon City PWS | Purchased surface water | 24,060 | No | 0 |
| Avon Lake City PWS | Surface water | 23,659 | No | 0 |
| Amherst City PWS | Purchased surface water | 11,797 | No | 0 |
| Sheffield Lake City PWS | Purchased surface water | 9,108 | No | 0 |
| Oberlin Water department | Surface water | 8,600 | No | 1 |
| Wellington Village PWS | Surface water | 4,802 | No | 0 |
| Sheffield Village PWS | Purchased surface water | 4,165 | No | 0 |
Which one is yours? A county usually has several utilities. Your bill or your utility's annual water-quality report names yours. Population is for the whole system, which can cross county lines.
Not medical or legal advice. UCMR 5 results are screening data, not compliance determinations.
Sources and freshness
Public-water-system facts, violations and lead/copper results: EPA ECHO SDWA download (SDWIS snapshot 2026-10-13). PFAS and lithium results: EPA UCMR 5 final data (sampling 2023–2025). Both are U.S. government works, downloaded 2026-10-26. Numbers are computed by the published method; the same fields are in the open data files.