GROVETON WATER SYS
New Hampshire - Community Water System - PWSID: NH1781010
System Information
| PWSID | NH1781010 |
| System Name | GROVETON WATER SYS |
| 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 | Mar 8, 1979 |
| Last Reported | Feb 19, 2026 |
Location & Contact
| State | New Hampshire |
| City | GROVETON |
| ZIP Code | 03582 |
| Address | 19 MAIN ST |
| Organization | TOWN OF NORTHUMBERLAND |
| Phone | - |
Population & Service
| Population Served | 2,650 |
| Service Connections | 765 |
Drinking Water Violations (79)
This water system has 79 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, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 15, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 15, 2008 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2009 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2009 | - | |
| Apr 1, 2006 | Jul 1, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jul 1, 2006 | - | |
| Apr 1, 2006 | Jul 1, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jul 1, 2006 | - | |
| Apr 1, 2006 | Jul 1, 2006 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jul 1, 2006 | - | |
| Oct 25, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 8, 2004 | - | |
| Oct 25, 2004 | - | Other | No | No | - | - | - | Resolved | Nov 8, 2004 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 1994 | - | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 1994 | - | |
| Apr 1, 1994 | Jun 30, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.6 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.075 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.7 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Mar 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Mar 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.002 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 1994 | - |
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.