WEIR RIVER WATER SYSTEM
Massachusetts — Community Water System — PWSID: MA4131000
System Information
| PWSID | MA4131000 |
| System Name | WEIR RIVER WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 26, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | HINGHAM |
| ZIP Code | 02043 |
| Address | 25 BARE COVE PARK DRIVE |
| Organization | WEIR RIVER WATER SYSTEM |
| Phone | 7818042304 |
Population & Service
| Population Served | 45,339 |
| Service Connections | 12,755 |
Drinking Water Violations (41)
This water system has 41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.05 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.0002 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | — | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.04 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.0002 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.05 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.002 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.007 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.003 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.001 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.0005 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.04 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.5 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.0004 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.7 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.1 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.006 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.2 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.004 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.00000003 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.003 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.07 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.002 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.00005 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.0002 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.001 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.0002 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.2 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.4 mg/L | — | Archived | Jun 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MR | No | No | — | 0.02 mg/L | — | Archived | Jun 30, 2021 | — | |
| Aug 1, 1999 | Aug 31, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1999 | — | |
| Jan 1, 1992 | Jun 29, 1996 | TT | Yes | No | — | — | — | Resolved | Jun 29, 1996 | — | |
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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.