WESTBOROUGH WATER DEPARTMENT
Massachusetts — Community Water System — PWSID: MA2328000
System Information
| PWSID | MA2328000 |
| System Name | WESTBOROUGH 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 | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | WESTBOROUGH |
| ZIP Code | 01581 |
| Address | 131 OAK ST |
| Organization | WESTBOROUGH WATER DEPARTMENT |
| Phone | 5083663070 |
Population & Service
| Population Served | 21,567 |
| Service Connections | 5,439 |
Drinking Water Violations (149)
This water system has 149 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | TT | Yes | No | — | — | — | Resolved | Nov 30, 2025 | — | |
| Nov 1, 2025 | Nov 30, 2025 | TT | Yes | No | — | — | — | Resolved | Nov 30, 2025 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2025 | — | |
| Oct 1, 2023 | — | MR | No | No | — | TT | — | Resolved | Sep 30, 2025 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.010 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MR | No | No | — | 0.010 mg/L | — | Resolved | Sep 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.002 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.005 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.1 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 10 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.07 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.005 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.005 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.007 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.005 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.2 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.1 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.005 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.005 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.005 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.6 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.07 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.005 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 1 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.075 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.7 mg/L | — | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | No | — | 0.1 mg/L | — | Archived | Jun 30, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | No | — | — | — | Resolved | Feb 28, 2023 | — | |
| Feb 1, 2023 | Feb 28, 2023 | MON | No | No | — | — | — | Resolved | Feb 28, 2023 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.1 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.7 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.7 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.001 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.05 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.2 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.0002 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.04 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.04 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.010 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.001 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.07 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.07 mg/L | — | Resolved | Dec 31, 2022 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MR | No | No | — | 0.003 mg/L | — | Resolved | Dec 31, 2022 | — |
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.