KATHANN ESTATES WATER
Washington - Community Water System - PWSID: WA5337910
System Information
| PWSID | WA5337910 |
| System Name | KATHANN ESTATES WATER |
| 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 | Stanwood |
| ZIP Code | 98292 |
| Address | PO Box 2553 |
| Organization | KATHANN ESTATES WATER |
| Phone | - |
Population & Service
| Population Served | 134 |
| Service Connections | 51 |
Drinking Water Violations (53)
This water system has 53 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, 2025 | - | Other | No | No | - | - | - | Resolved | Sep 8, 2025 | - | |
| Jul 1, 2016 | - | Other | No | No | - | - | - | Resolved | Nov 3, 2016 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Dec 18, 2014 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 15, 2012 | - | |
| Feb 1, 2011 | Feb 28, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 2011 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2000 | Oct 31, 2000 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 2000 | - | |
| Jul 1, 2000 | Apr 6, 2001 | Other | No | Yes | - | - | - | Resolved | Apr 6, 2001 | - | |
| Oct 19, 1999 | Apr 6, 2001 | Other | No | Yes | - | - | - | Resolved | Apr 6, 2001 | - | |
| Oct 19, 1999 | Apr 6, 2001 | Other | No | Yes | - | - | - | Resolved | Apr 6, 2001 | - | |
| Jan 1, 1999 | Jan 31, 1999 | MR | No | Yes | - | 5% of samples | - | Archived | Jan 31, 1999 | - | |
| Jul 1, 1997 | Jan 1, 2001 | MR | No | No | - | TT | - | Resolved | Jan 1, 2001 | - | |
| Sep 1, 1996 | Sep 30, 1996 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1996 | - | |
| Oct 1, 1995 | Oct 31, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1995 | - | |
| May 1, 1995 | May 31, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | May 31, 1995 | - | |
| Apr 1, 1992 | Apr 30, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 1992 | - | |
| Apr 1, 1992 | Apr 30, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 1992 | - | |
| Dec 1, 1991 | Dec 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Dec 31, 1991 | - | |
| 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 | - | 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 | - | 0.002 mg/L | - | Archived | Oct 31, 1979 | - | |
| 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 | - | 15 pCi/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 | - | 10 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.