CHELSEA WATER DEPT. (MWRA)
Community Water System · Massachusetts · CHELSEA
PWSID: MA3057000
Compliant
Population Served
38.3K
Service Connections
5.1K
Total Violations
34
Health-Based Violations
30
Lead & Copper Data
Lead Level
Caution2.41 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
- Purchased Surface Water
- System Type
- Community Water System
- City
- CHELSEA
- ZIP Code
- 02150
- Counties Served
- Suffolk
- Cities Served
- CHELSEA
- Open Violations
- 0
- State
- Massachusetts
Violation Summary
34
Total Violations
30
Health-Based
0
Open Now
Most recent violation: 2016-07-01
Explore Massachusetts Water Quality
See all water systems, lead data, and violation trends for Massachusetts.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: MA3057000.SafeWater Home