Bucks County tap water
16 of 23 water systems serving Bucks County with full PFAS testing averaged above a 2024 federal PFAS level at one or more sampling points.
- 70 community water systems list this county as served; 22 serve 3,300+ people with full PFAS testing.
- 9 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 |
|---|---|---|---|---|
| Lower Bucks CO Joint Mun Auth | Surface water | 63,007 | No | 0 |
| Aqua PA Bensalem | Purchased surface water | 59,001 | Yes | 0 |
| Bcwsa Main Lower South | Purchased surface water | 52,621 | Yes | 5 |
| Newtown Artesian Water CO | Purchased surface water | 38,500 | Yes | 0 |
| Northampton Bucks CO Mun Auth | Purchased surface water | 36,750 | Yes | 0 |
| Warminster Municipal Authority | Purchased surface water | 36,000 | No | 0 |
| PA American Water CO Yardley | Surface water | 33,171 | Yes | 0 |
| Aqua PA Bristol | Surface water | 28,727 | No | 0 |
| Falls Twp Water & Sewer dept | Purchased surface water | 24,400 | No | 0 |
| Nwwa Warrington Township | Purchased surface water | 21,588 | No | 0 |
| Upper Southampton Mun Auth | Purchased surface water | 16,000 | Yes | 1 |
| Perkasie Regional Authority | Groundwater | 15,000 | Yes | 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.