Is Grafton, Massachusetts tap water safe?
4 water systems report serving Grafton. Your water depends on which one serves your address. Check your bill if unsure.
D
Grafton Water District
Serves 10,925 people · Groundwater · Full report →
No health-based violations in the last 5 years; 48 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2025).
B
South Grafton Water District
Serves 3,262 people · Surface water · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).
A
Laurel Hill Condominiums
Serves 64 people · Groundwater · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
A
Countryside Condominium
Serves 30 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).