Is Oakdale, Pennsylvania tap water safe?
3 water systems report serving Oakdale. 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.
C
Western Allegheny County Mun a
Serves 19,031 people · Surface water · Full report →
2 health-based violations in the last 5 years; 4 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
Oakdale Boro Water Dept
Serves 1,459 people · Surface water · Full report →
No health-based violations in the last 5 years; 7 monitoring/reporting violations; No UCMR 5 PFAS results on file; Latest lead 90th percentile on file is from 1996 (older than 5 years, not graded).
A
Virginia Hills Pa LLC
Serves 843 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; No UCMR 5 PFAS results on file.