WINCHESTER WATER DEPT
New Hampshire — Community Water System — PWSID: NH2531010
System Information
| PWSID | NH2531010 |
| System Name | WINCHESTER WATER DEPT |
| 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 | Dec 15, 2025 |
Location & Contact
| State | New Hampshire |
| City | WINCHESTER |
| ZIP Code | 03470 |
| Address | WATER/SEWER DEPT |
| Organization | TOWN OF WINCHESTER |
| Phone | — |
Population & Service
| Population Served | 2,800 |
| Service Connections | 1,128 |
Drinking Water Violations (5)
This water system has 5 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, 2016 | Oct 1, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Oct 1, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Oct 1, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2016 | Oct 1, 2016 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Oct 1, 2016 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 1994 | Jul 3, 1995 | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Jul 3, 1995 | Lead and Copper Rule |
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.