COLEBROOK WATER WORKS
New Hampshire - Community Water System - PWSID: NH0481010
System Information
| PWSID | NH0481010 |
| System Name | COLEBROOK WATER WORKS |
| 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 | COLEBROOK |
| ZIP Code | 03576 |
| Address | 17 BRIDGE ST |
| Organization | TOWN OF COLEBROOK |
| Phone | - |
Population & Service
| Population Served | 1,300 |
| Service Connections | 523 |
Drinking Water Violations (181)
This water system has 181 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2025 | - | RPT | No | No | - | - | - | Resolved | Sep 23, 2025 | - | |
| Sep 11, 2025 | - | RPT | No | No | - | - | - | Resolved | Sep 23, 2025 | - | |
| Sep 11, 2025 | - | RPT | No | No | - | - | - | Resolved | Sep 23, 2025 | - | |
| Sep 11, 2025 | - | RPT | No | No | - | - | - | Resolved | Sep 23, 2025 | - | |
| Aug 1, 2025 | Sep 1, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 1, 2025 | - | |
| Aug 1, 2025 | Sep 1, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 1, 2025 | - | |
| Aug 1, 2025 | Sep 1, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 1, 2025 | - | |
| Aug 1, 2025 | Sep 1, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 1, 2025 | - | |
| Dec 10, 2022 | - | MR | No | Yes | - | - | - | Resolved | Dec 22, 2022 | - | |
| Dec 10, 2022 | - | MR | No | Yes | - | - | - | Resolved | Dec 22, 2022 | - | |
| Dec 10, 2022 | - | MR | No | Yes | - | - | - | Resolved | Dec 22, 2022 | - | |
| Dec 10, 2022 | - | MR | No | Yes | - | - | - | Resolved | Dec 22, 2022 | - | |
| Jul 1, 2021 | Oct 1, 2021 | MR | No | No | - | 0.080 mg/L | - | Resolved | Oct 1, 2021 | - | |
| Jul 1, 2021 | Oct 1, 2021 | MR | No | No | - | 0.060 mg/L | - | Resolved | Oct 1, 2021 | - | |
| Jul 1, 2021 | Oct 1, 2021 | MR | No | No | - | 0.060 mg/L | - | Resolved | Oct 1, 2021 | - | |
| Jul 1, 2021 | Oct 1, 2021 | MR | No | No | - | 0.080 mg/L | - | Resolved | Oct 1, 2021 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Jul 1, 2016 | Oct 1, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | .044 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | .044 MG/L | 0.010 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Dec 6, 2015 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 6, 2015 | - | Other | No | No | - | - | - | Resolved | Jan 12, 2016 | - | |
| Dec 6, 2015 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Dec 6, 2015 | - | Other | No | No | - | - | - | Resolved | Jan 12, 2016 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jul 1, 2015 | Oct 1, 2015 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Oct 1, 2015 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2015 | - | |
| Jan 1, 2015 | Jan 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2015 | - | |
| Nov 4, 2009 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2009 | - | |
| Nov 4, 2009 | - | Other | No | No | - | - | - | Resolved | Nov 30, 2009 | - | |
| Aug 15, 2009 | - | TT | Yes | No | - | TT | - | Resolved | Dec 29, 2009 | - | |
| Aug 15, 2009 | - | TT | Yes | No | - | TT | - | Resolved | Dec 29, 2009 | - | |
| Aug 15, 2009 | - | TT | Yes | No | - | TT | - | Resolved | Dec 29, 2009 | - | |
| Aug 15, 2009 | - | TT | Yes | No | - | TT | - | Resolved | Dec 29, 2009 | - | |
| Aug 15, 2009 | - | TT | Yes | No | - | TT | - | Resolved | Dec 29, 2009 | - | |
| Oct 1, 2008 | Jan 1, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jan 1, 2009 | - | |
| Oct 1, 2008 | Jan 1, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jan 1, 2009 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 15, 2008 | - |
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.