BOSTON WATER AND SEWER COMMISSION (MWRA)
Community Water System · Massachusetts · BOSTON
PWSID: MA3035000
Has Violations
Population Served
675.6K
Service Connections
88.4K
Total Violations
8
Health-Based Violations
4
Lead & Copper Data
Lead Level
High Risk22.50 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Lead action level exceeded
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- BOSTON
- ZIP Code
- 02119
- Counties Served
- Suffolk
- Cities Served
- BOSTON
- Open Violations
- 0
- State
- Massachusetts
Violation Summary
8
Total Violations
4
Health-Based
0
Open Now
Most recent violation: 2020-11-01
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: MA3035000.SafeWater Home