MANCHESTER WATER DISTRICT
Washington — Community Water System — PWSID: WA5350700
System Information
| PWSID | WA5350700 |
| System Name | MANCHESTER WATER DISTRICT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | MANCHESTER |
| ZIP Code | 98353 |
| Address | PO BOX 98 |
| Organization | MANCHESTER WATER DISTRICT |
| Phone | — |
Population & Service
| Population Served | 10,437 |
| Service Connections | 3,473 |
Drinking Water Violations (52)
This water system has 52 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jul 1, 2005 | Jul 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2005 | Total Coliform Rule |
| Apr 1, 2004 | Apr 30, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Apr 30, 2004 | Total Coliform Rule |
| Oct 1, 2003 | Oct 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Oct 31, 2003 | Total Coliform Rule |
| Jan 1, 2002 | Dec 31, 2004 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Toluene | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | p-Dichlorobenzene | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | CHLOROBENZENE | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | o-Dichlorobenzene | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,2-Dichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Carbon tetrachloride | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | Benzene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,2-Dichloropropane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jan 1, 2002 | Dec 31, 2004 | 1,1,2-Trichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2004 | Volatile Organic Chemicals |
| Jul 1, 1999 | Jul 31, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1999 | Total Coliform Rule |
| Jul 1, 1999 | Jul 31, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1999 | Total Coliform Rule |
| Jul 1, 1999 | Jul 31, 1999 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1999 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1998 | Total Coliform Rule |
| Aug 1, 1998 | Aug 31, 1998 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1998 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1997 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1997 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1997 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Dec 31, 1992 | Total Coliform Rule |
| Nov 1, 1992 | Nov 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1992 | Total Coliform Rule |
| Jul 1, 1992 | Jul 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1992 | Total Coliform Rule |
| Jul 1, 1992 | Jul 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1992 | Total Coliform Rule |
| Jul 1, 1992 | Jul 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1992 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | May 31, 1992 | Total Coliform 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.