CHATHAM WATER DEPARTMENT
Community Water System · Massachusetts · CHATHAM
PWSID: MA4055000
Compliant
Population Served
30.0K
Service Connections
7.3K
Total Violations
85
Health-Based Violations
28
Lead & Copper Data
Lead Level
Caution1.10 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-06-30
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- CHATHAM
- ZIP Code
- 02633
- Counties Served
- Barnstable
- Cities Served
- CHATHAM
- Open Violations
- 0
- State
- Massachusetts
Violation Summary
85
Total Violations
28
Health-Based
0
Open Now
Most recent violation: 2019-07-01
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: MA4055000.SafeWater Home