NORWALK FIRST TAXING DISTRICT
Community Water System · Connecticut · NORWALK
PWSID: CT1030011
Compliant
Population Served
40.3K
Service Connections
11.0K
Total Violations
6
Health-Based Violations
0
Lead & Copper Data
Lead Level
Caution3.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- NORWALK
- ZIP Code
- 06852
- Counties Served
- Fairfield
- Cities Served
- NEW CANAAN, NORWALK, WESTPORT, WILTON
- Open Violations
- 0
- State
- Connecticut
Violation Summary
6
Total Violations
0
Health-Based
0
Open Now
Most recent violation: 2021-12-30
Explore Connecticut Water Quality
See all water systems, lead data, and violation trends for Connecticut.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: CT1030011.SafeWater Home