Is Grantham, Pennsylvania tap water safe?
3 water systems report serving Grantham. 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.
B
Veolia Mechanicsburg
Serves 45,013 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS; Lead 90th percentile below the action level (2025).
A
Williams Grove MHP
Serves 282 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 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).
B
Audubon Park
Serves 145 people · Groundwater · 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 2010 (older than 5 years, not graded).