Is Deep River, Connecticut tap water safe?
2 water systems report serving Deep River. Your water depends on which one serves your address. Check your bill if unsure.
A
Ctwc - Shoreline Region-Chester System
Serves 5,030 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
Ridgewood Hills Association System 1
Serves 36 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 3 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).