Is West Mifflin, Pennsylvania tap water safe?
2 water systems report serving West Mifflin. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
A
Pennsylvania American Water (Pittsburgh)
Serves 686,000 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
D
Duquesne Water Dept
Serves 5,565 people · Surface water · Full report →
3 health-based violations in the last 5 years; 8 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).