Hampden County tap water
0 of 12 water systems serving Hampden County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 29 community water systems list this county as served; 12 serve 3,300+ people with full PFAS testing.
- 6 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 |
|---|---|---|---|---|
| Springfield Water and Sewer Commission | Surface water | 169,170 | No | 22 |
| Chicopee Water dept (Mwra) | Purchased surface water | 55,560 | No | 0 |
| Westfield Dpwwater Division | Surface water | 41,094 | No | 0 |
| Holyoke Water Works | Surface water | 37,838 | No | 0 |
| West Springfield Dpw Water Division | Groundwater | 28,835 | No | 0 |
| Agawam Water department | Purchased surface water | 28,692 | No | 6 |
| East Longmeadow Dpw Water dept | Purchased surface water | 16,358 | No | 0 |
| Longmeadow Water dept | Purchased surface water | 15,853 | No | 1 |
| Wilbraham Water dept (Mwra) | Purchased surface water | 8,533 | No | 0 |
| Southwick Water dept | Purchased surface water | 7,669 | No | 0 |
| Palmer Water District No.1 | Surface water | 4,789 | No | 2 |
| Monson Water and Sewer dept | Groundwater | 4,222 | 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.