WONDERLAND WATER COMPANY
Washington - Community Water System - PWSID: WA5398128
System Information
| PWSID | WA5398128 |
| System Name | WONDERLAND WATER COMPANY |
| 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 | WONDERLAND WATER COMPANY |
| Phone | - |
Population & Service
| Population Served | 82 |
| Service Connections | 34 |
Drinking Water Violations (14)
This water system has 14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Oct 19, 1999 | Dec 31, 1999 | Other | No | Yes | - | - | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Jan 1, 2000 | MR | No | No | - | TT | - | Resolved | Jan 1, 2000 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Feb 28, 1995 | - | |
| Jan 1, 1995 | Jan 31, 1995 | MR | No | Yes | - | 5% of samples | - | Archived | Jan 31, 1995 | - | |
| Nov 1, 1993 | Nov 30, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1993 | - | |
| Apr 1, 1993 | Apr 30, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 1993 | - | |
| Apr 1, 1992 | Apr 30, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Apr 30, 1992 | - | |
| Feb 1, 1992 | Feb 29, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Feb 29, 1992 | - | |
| Jan 1, 1992 | Jan 31, 1992 | MR | No | Yes | - | 5% of samples | - | Archived | Jan 31, 1992 | - | |
| Nov 1, 1991 | Nov 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Nov 30, 1991 | - | |
| Oct 1, 1991 | Oct 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Oct 31, 1991 | - | |
| Oct 1, 1979 | Oct 31, 1979 | MR | No | No | - | 15 pCi/L | - | Archived | Oct 31, 1979 | - | |
| - | - | - | 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.