UNION
Washington — Community Water System — PWSID: WA5351920
System Information
| PWSID | WA5351920 |
| System Name | UNION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | UNION |
| ZIP Code | 98592-9649 |
| Address | 21 E WARREN DR |
| Organization | UNION |
| Phone | — |
Population & Service
| Population Served | 700 |
| Service Connections | 275 |
Drinking Water Violations (25)
This water system has 25 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, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2009 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 2000 | — | |
| Jul 1, 1996 | Jan 1, 1999 | MR | No | No | — | TT | — | Resolved | Jan 1, 1999 | — | |
| Jun 1, 1995 | Jun 30, 1995 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1995 | — | |
| Oct 19, 1994 | Nov 18, 1994 | MR | No | Yes | — | 5% of samples | — | Archived | Nov 18, 1994 | — | |
| Jun 1, 1994 | Jun 30, 1994 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1994 | — | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Jul 31, 1993 | — | |
| Jun 1, 1993 | Jun 30, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Jun 30, 1993 | — | |
| Jun 1, 1992 | Jun 30, 1992 | MR | No | Yes | — | 5% of samples | — | Archived | Jun 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 | — | 15 pCi/L | — | Archived | Oct 31, 1979 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.