SOMERVILLE WATER DEPT. (MWRA)
Community Water System · Massachusetts · SOMERVILLE
PWSID: MA3274000
Compliant
Population Served
81.0K
Service Connections
15.1K
Total Violations
33
Health-Based Violations
19
Lead & Copper Data
Lead Level
Caution3.92 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
- SOMERVILLE
- ZIP Code
- 02145
- Counties Served
- Middlesex
- Cities Served
- SOMERVILLE
- Open Violations
- 0
- State
- Massachusetts
Violation Summary
33
Total Violations
19
Health-Based
0
Open Now
Most recent violation: 2020-01-01
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: MA3274000.SafeWater Home