PORT MADISON WATER COMPANY
Washington — Community Water System — PWSID: WA5368750
System Information
| PWSID | WA5368750 |
| System Name | PORT MADISON WATER COMPANY |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | Port Orchard |
| ZIP Code | 98366 |
| Address | PO Box 126 |
| Organization | PORT MADISON WATER COMPANY |
| Phone | — |
Population & Service
| Population Served | 233 |
| Service Connections | 103 |
Drinking Water Violations (45)
This water system has 45 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, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2008 | Dec 31, 2010 | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2006 | — | |
| Oct 19, 1999 | Feb 27, 2001 | Other | No | Yes | — | — | — | Resolved | Feb 27, 2001 | — | |
| Oct 19, 1999 | Feb 27, 2001 | Other | No | Yes | — | — | — | Resolved | Feb 27, 2001 | — | |
| May 1, 1996 | May 31, 1996 | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 1996 | — | |
| Mar 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 1996 | — | |
| Aug 1, 1995 | Aug 31, 1995 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 1995 | — | |
| Jul 1, 1994 | Jul 31, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 1994 | — | |
| Nov 1, 1993 | Nov 30, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1993 | — | |
| Oct 1, 1992 | Oct 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.010 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.002 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 10 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.005 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 2 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.1 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 0.05 mg/L | — | Archived | Oct 31, 1979 | — | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | — | 4.0 mg/L | — | Archived | Oct 31, 1979 | — |
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.