WESCO UTILITIES
New Hampshire - Community Water System - PWSID: NH1182050
System Information
| PWSID | NH1182050 |
| System Name | WESCO UTILITIES |
| System Type | Community Water System |
| Water Source | Ground Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 2, 1989 |
| Last Reported | Jun 23, 2026 |
Location & Contact
| State | New Hampshire |
| City | NASHUA |
| ZIP Code | 03064 |
| Address | PO BOX 428 |
| Organization | PENNICHUCK WATER WORKS INC |
| Phone | - |
Population & Service
| Population Served | 210 |
| Service Connections | 84 |
Drinking Water Violations (248)
This water system has 248 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 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2010 | - | |
| Jul 1, 2010 | Oct 1, 2010 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jun 1, 2010 | Jun 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Jan 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Feb 10, 2010 | - | |
| Jan 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Feb 10, 2010 | - | |
| Jan 1, 2000 | Jan 31, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Jan 31, 2000 | - | |
| Jan 1, 2000 | Jan 31, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Jan 31, 2000 | - | |
| Jan 1, 2000 | Jan 31, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Jan 31, 2000 | - | |
| Jan 1, 2000 | Jan 31, 2000 | MR | No | Yes | - | 5% of samples | - | Resolved | Jan 31, 2000 | - | |
| Oct 19, 1999 | Apr 2, 2003 | Other | No | Yes | - | - | - | Resolved | Apr 2, 2003 | - | |
| Oct 19, 1999 | Apr 2, 2003 | Other | No | Yes | - | - | - | Resolved | Apr 2, 2003 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Dec 1, 1997 | Dec 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1997 | - | |
| Dec 1, 1997 | Dec 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1997 | - | |
| Dec 1, 1997 | Dec 31, 1997 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1997 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1995 | - | |
| Jan 1, 1995 | Dec 31, 1995 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1995 | - |
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.