Is Sewickley, Pennsylvania tap water safe?
5 water systems report serving Sewickley. 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.
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West View Water Authority
Serves 200,000 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Ambridge Water Auth
Serves 19,500 people · Surface water · Full report →
1 health-based violation in the last 5 years; 13 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Edgeworth Boro Muni Auth
Serves 7,781 people · Surface water · Full report →
2 health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Sewickley Boro Water Auth
Serves 6,800 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 6 monitoring/reporting violations; 1 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
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Aleppo Twp Auth
Serves 2,200 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 1996 (older than 5 years, not graded).