Is Seymour, Connecticut tap water safe?
4 water systems report serving Seymour. Your water depends on which one serves your address. Check your bill if unsure.
C
Regional Water Authority (South Central Connecticut)
Serves 418,900 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; Lead 90th percentile below the action level (2025).
C
Aquarion Water Company (Eastern Fairfield County)
Serves 351,756 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; Lead 90th percentile below the action level (2025).
B
Aquarion-Valley
Serves 13,080 people · Surface water · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2025).
A
Aquarion-Hawkstone
Serves 120 people · Surface water · 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 (2024).