CAMBRIDGE WATER DEPARTMENT
Massachusetts — Community Water System — PWSID: MA3049000
System Information
| PWSID | MA3049000 |
| System Name | CAMBRIDGE WATER DEPARTMENT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 26, 1979 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Massachusetts |
| City | CAMBRIDGE |
| ZIP Code | 02138 |
| Address | 250 FRESH POND PKWY |
| Organization | CAMBRIDGE WATER DEPARTMENT |
| Phone | 6173494770 |
Population & Service
| Population Served | 118,214 |
| Service Connections | 15,063 |
Drinking Water Violations (8)
This water system has 8 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 1997 | Dec 31, 1997 | Heptachlor epoxide | MR | No | Yes | — | 0.0002 mg/L | — | Archived | Dec 31, 1997 | Synthetic Organic Chemicals |
| Oct 1, 1997 | Dec 31, 1997 | Carbofuran | MR | No | Yes | — | 0.04 mg/L | — | Archived | Dec 31, 1997 | Synthetic Organic Chemicals |
| Oct 1, 1997 | Dec 31, 1997 | Hexachlorocyclopentadiene | MR | No | Yes | — | 0.05 mg/L | — | Archived | Dec 31, 1997 | Synthetic Organic Chemicals |
| Oct 1, 1997 | Dec 31, 1997 | LASSO | MR | No | Yes | — | — | — | Archived | Dec 31, 1997 | Synthetic Organic Chemicals |
| Oct 1, 1997 | Dec 31, 1997 | 2,4,5-TP | MR | No | Yes | — | 0.05 mg/L | — | Archived | Dec 31, 1997 | Synthetic Organic Chemicals |
| Oct 1, 1997 | Dec 31, 1997 | Total Polychlorinated Biphenyls (PCB) | MR | No | Yes | — | 0.0005 mg/L | — | Archived | Dec 31, 1997 | Synthetic Organic Chemicals |
| Oct 1, 1997 | Dec 31, 1997 | Dalapon | MR | No | Yes | — | 0.2 mg/L | — | Archived | Dec 31, 1997 | Synthetic Organic Chemicals |
| Oct 1, 1997 | Dec 31, 1997 | Aldicarb sulfone | MR | No | Yes | — | — | — | Archived | Dec 31, 1997 | Synthetic Organic Chemicals |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.