WILLIAMSBURG
New Hampshire — Community Water System — PWSID: NH1851010
System Information
| PWSID | NH1851010 |
| System Name | WILLIAMSBURG |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Nov 26, 1991 |
| Last Reported | Dec 15, 2025 |
Location & Contact
| State | New Hampshire |
| City | NASHUA |
| ZIP Code | 03064 |
| Address | PO BOX 428 |
| Organization | PENNICHUCK WATER WORKS INC |
| Phone | — |
Population & Service
| Population Served | 928 |
| Service Connections | 371 |
Drinking Water Violations (19)
This water system has 19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2010 | Oct 1, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 1993 | Dec 31, 1993 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | o-Dichlorobenzene | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | o-Dichlorobenzene | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Carbon tetrachloride | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Carbon tetrachloride | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | 1,2-Dichloropropane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | CHLOROBENZENE | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | Volatile Organic Chemicals |
| Jan 1, 1993 | Dec 31, 1993 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1993 | 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.