Is Preston, Connecticut tap water safe?
3 water systems report serving Preston. Your water depends on which one serves your address. Check your bill if unsure.
D
Norwich Public Utilities
Serves 36,163 people · Surface water · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2025).
B
Preston Plains Water Company
Serves 550 people · Groundwater · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2024).
B
Lincoln Park Elderly Housing
Serves 80 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).