CASTLE REACH
New Hampshire — Community Water System — PWSID: NH2542140
System Information
| PWSID | NH2542140 |
| System Name | CASTLE REACH |
| 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 | Jul 19, 2001 |
| Last Reported | Feb 19, 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 | 115 |
| Service Connections | 46 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2021 | Oct 1, 2021 | MCL | Yes | No | — | — | — | Resolved | Sep 15, 2021 | — | |
| Sep 1, 2021 | Oct 1, 2021 | MCL | Yes | No | — | — | — | Resolved | Sep 15, 2021 | — | |
| Sep 1, 2021 | Oct 1, 2021 | MCL | Yes | No | — | — | — | Resolved | Sep 15, 2021 | — | |
| Sep 1, 2021 | Oct 1, 2021 | MCL | Yes | No | — | — | — | Resolved | Sep 15, 2021 | — | |
| Oct 11, 2018 | Jan 10, 2019 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | — | Resolved | Dec 17, 2018 | — | |
| Oct 11, 2018 | Jan 10, 2019 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | — | Resolved | Dec 17, 2018 | — | |
| Oct 11, 2018 | Jan 10, 2019 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | — | Resolved | Dec 17, 2018 | — | |
| Oct 11, 2018 | Jan 10, 2019 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | — | Resolved | Dec 17, 2018 | — | |
| Oct 11, 2018 | Jan 10, 2019 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | — | Resolved | Dec 17, 2018 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| Oct 1, 2011 | Oct 31, 2011 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | — | |
| 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 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — | |
| Dec 1, 2006 | Dec 31, 2006 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2006 | — |
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.