WEYERHAEUSER MDF
Washington - Non-Transient Non-Community - PWSID: MT0000917
System Information
| PWSID | MT0000917 |
| System Name | WEYERHAEUSER MDF |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | SEATTLE |
| ZIP Code | 98104 |
| Address | 220 OCCIDENTIAL AVE SOUTH |
| Organization | WEYERHAEUSER UTILITIES |
| Phone | 888-387-2267 |
Population & Service
| Population Served | 34 |
| Service Connections | 1 |
Drinking Water Violations (32)
This water system has 32 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, 2020 | Dec 31, 2022 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2020 | Dec 31, 2022 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2022 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 17, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 17, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Jun 17, 2020 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 24, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 24, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 24, 2007 | - | |
| Mar 1, 2003 | Mar 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2003 | - | |
| Mar 1, 2003 | Mar 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2003 | - | |
| Mar 1, 2003 | Mar 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2003 | - | |
| Mar 1, 2003 | Mar 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2003 | - | |
| Mar 1, 2003 | Mar 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2003 | - | |
| Mar 1, 2003 | Mar 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2003 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Dec 1, 2000 | Dec 31, 2000 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2000 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Aug 1, 1995 | Aug 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1995 | - | |
| Nov 1, 1994 | Nov 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1994 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 3, 1996 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 3, 1996 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1993 | - |
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.