Berks County tap water
6 of 19 water systems serving Berks County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 77 community water systems list this county as served; 18 serve 3,300+ people with full PFAS testing.
- 17 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 |
|---|---|---|---|---|
| Reading Area Water Authority | Surface water | 95,100 | Yes | 1 |
| Paw Penn District | Groundwater | 28,508 | Yes | 0 |
| Paw Glen Alsace Div | Purchased surface water | 24,951 | Yes | 0 |
| Muhlenberg Twp Muni Auth | Groundwater | 22,400 | Yes | 0 |
| Kutztown Borough Water | Groundwater under surface influence | 14,200 | No | 0 |
| Shillington Muni Auth | Purchased surface water | 13,300 | No | 2 |
| Mt Penn Boro Muni Auth | Groundwater | 10,400 | No | 0 |
| Wyomissing Boro Water System | Purchased surface water | 8,500 | No | 0 |
| Boyertown Muni Auth | Surface water | 8,000 | No | 3 |
| Wernersville Muni Water Auth | Purchased surface water | 7,920 | No | 0 |
| Maidencreek Twp Water Auth | Groundwater | 7,505 | No | 0 |
| Womelsdorf Robesonia Jt Auth | Groundwater | 7,070 | 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.