CHATHAM WATER DEPARTMENT
Massachusetts — Community Water System — PWSID: MA4055000
System Information
| PWSID | MA4055000 |
| System Name | CHATHAM WATER DEPARTMENT |
| 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 | Feb 26, 1979 |
| Last Reported | Dec 17, 2025 |
Location & Contact
| State | Massachusetts |
| City | CHATHAM |
| ZIP Code | 02633 |
| Address | 221 CROWELL RD |
| Organization | CHATHAM WATER DEPARTMENT |
| Phone | 5089455150 |
Population & Service
| Population Served | 30,000 |
| Service Connections | 7,277 |
Drinking Water Violations (22)
This water system has 22 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, 2001 | Jul 31, 2001 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2001 | Total Coliform Rule |
| Dec 1, 1999 | Dec 31, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1999 | Total Coliform Rule |
| Apr 1, 1996 | Jun 30, 1996 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 30, 1996 | Nitrate Rule |
| Jan 1, 1996 | Mar 31, 1996 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | 1,2-Dichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | Toluene | MR | No | Yes | — | 1 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | 1,1,2-Trichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Jan 1, 1996 | Mar 31, 1996 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Archived | Mar 31, 1996 | Volatile Organic Chemicals |
| Nov 1, 1995 | Nov 30, 1995 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 1995 | Total Coliform Rule |
| Apr 1, 1995 | Jun 30, 1995 | Toluene | MR | No | Yes | — | 1 mg/L | — | Archived | Jun 30, 1995 | Volatile Organic Chemicals |
| Apr 1, 1995 | Jun 30, 1995 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1995 | Volatile Organic Chemicals |
| Apr 1, 1995 | Jun 30, 1995 | 1,1,2-Trichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Archived | Jun 30, 1995 | Volatile Organic Chemicals |
| Apr 1, 1995 | Jun 30, 1995 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Archived | Jun 30, 1995 | Volatile Organic Chemicals |
| Jun 30, 1982 | Jul 29, 1982 | Other | No | No | — | — | — | Archived | Jul 29, 1982 | Miscellaneous Other Rules |
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.