NEEDHAM WATER DEPT
Massachusetts — Community Water System — PWSID: MA3199000
System Information
| PWSID | MA3199000 |
| System Name | NEEDHAM WATER DEPT |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 26, 1979 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Massachusetts |
| City | NEEDHAM |
| ZIP Code | 02492 |
| Address | 500 DEDHAM AVE |
| Organization | NEEDHAM WATER DEPT |
| Phone | 7814557550 |
Population & Service
| Population Served | 33,130 |
| Service Connections | 10,294 |
Drinking Water Violations (9)
This water system has 9 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, 2013 | Sep 30, 2013 | Trichloroethylene | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2013 | Volatile Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | DICHLOROMETHANE | MR | No | No | — | 0.005 mg/L | — | Resolved | Sep 30, 2013 | Volatile Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | 1,2,4-Trichlorobenzene | MR | No | No | — | 0.07 mg/L | — | Resolved | Sep 30, 2013 | Volatile Organic Chemicals |
| Jul 1, 2013 | Sep 30, 2013 | 1,2,4-Trichlorobenzene | MR | No | No | — | 0.07 mg/L | — | Resolved | Sep 30, 2013 | Volatile Organic Chemicals |
| Jan 1, 1994 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Apr 24, 2001 | Lead and Copper Rule |
| Jan 1, 1994 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Apr 24, 2001 | Lead and Copper Rule |
| Jul 1, 1993 | — | Lead and Copper Rule | TT | Yes | No | — | TT | — | Resolved | Apr 24, 2001 | Lead and Copper Rule |
| Jan 1, 1992 | Mar 31, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 1992 | Radionuclides and Revised Rad Rule |
| Jan 1, 1992 | Mar 31, 1992 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 1992 | Radionuclides and Revised Rad 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.