Is Waterbury, Connecticut tap water safe?
4 water systems report serving Waterbury. Your water depends on which one serves your address. Check your bill if unsure.
A
Waterbury Water Department
Serves 107,271 people · Surface water · Full report →
No 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).
A
Ctwc - Naugatuck Region-Central System
Serves 22,735 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
B
Watertown Water & Sewer Authority
Serves 9,972 people · Surface water · Full report →
No health-based violations in the last 5 years; 5 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
A
Wolcott Water Department
Serves 2,550 people · Surface water · 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 (2025).