CONCORD WATER DEPT
Massachusetts — Community Water System — PWSID: MA3067000
System Information
| PWSID | MA3067000 |
| System Name | CONCORD WATER DEPT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 26, 1979 |
| Last Reported | Mar 17, 2026 |
Location & Contact
| State | Massachusetts |
| City | CONCORD |
| ZIP Code | 01742 |
| Address | 135 KEYES RD |
| Organization | CONCORD WATER DEPT |
| Phone | 9783183250 |
Population & Service
| Population Served | 18,788 |
| Service Connections | 5,710 |
Drinking Water Violations (25)
This water system has 25 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, 2022 | Sep 30, 2022 | MCL | Yes | No | — | 0.010 mg/L | — | Archived | Sep 30, 2022 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | — | 0.010 mg/L | — | Archived | Sep 30, 2019 | — | |
| Sep 1, 1999 | Sep 30, 1999 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1999 | — | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | — | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 1994 | — | |
| Aug 1, 1994 | Aug 31, 1994 | MR | No | No | — | 5% of samples | — | Archived | Aug 31, 1994 | — | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1994 | — | |
| Jun 1, 1994 | Jun 30, 1994 | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 1994 | — | |
| May 1, 1994 | May 31, 1994 | MR | No | No | — | 5% of samples | — | Archived | May 31, 1994 | — | |
| Jul 1, 1992 | — | MR | No | No | — | TT | — | Resolved | Apr 15, 1993 | — | |
| Jul 1, 1992 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Jul 1, 1991 | Jul 31, 1991 | MR | No | Yes | — | 15 pCi/L | — | Archived | Jul 31, 1991 | — | |
| Dec 31, 1979 | Jan 30, 1980 | Other | No | No | — | — | — | Archived | Jan 30, 1980 | — | |
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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.