ONSET FIRE DISTRICTWATER DEPT.
Massachusetts — Community Water System — PWSID: MA4310003
System Information
| PWSID | MA4310003 |
| System Name | ONSET FIRE DISTRICTWATER DEPT. |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 20, 1981 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Massachusetts |
| City | ONSET |
| ZIP Code | 02558 |
| Address | P.O. BOX 171 |
| Organization | ONSET FIRE DISTRICT-WATER DEPT. |
| Phone | 5082950603 |
Population & Service
| Population Served | 5,392 |
| Service Connections | 2,982 |
Drinking Water Violations (1)
This water system has 1 violation 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, 2020 | Dec 31, 2020 | Xylenes, Total | MR | No | No | — | 10 mg/L | — | Archived | Dec 31, 2020 | Volatile 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.