WATERTOWN WATER DEPT. (MWRA)
Community Water System · Massachusetts · WATERTOWN
PWSID: MA3314000
Compliant
Population Served
35.3K
Service Connections
7.7K
Total Violations
19
Health-Based Violations
11
Lead & Copper Data
Lead Level
Caution1.06 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
- WATERTOWN
- ZIP Code
- 02472
- Counties Served
- Middlesex
- Cities Served
- WATERTOWN
- Open Violations
- 0
- State
- Massachusetts
Violation Summary
19
Total Violations
11
Health-Based
0
Open Now
Most recent violation: 2021-08-01
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: MA3314000.SafeWater Home