ALDERBROOK WATER CO
Washington — Community Water System — PWSID: WA5301050
System Information
| PWSID | WA5301050 |
| System Name | ALDERBROOK WATER CO |
| 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 | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | UNION |
| ZIP Code | 98592-9649 |
| Address | 21 E WARREN DR |
| Organization | ALDERBROOK WATER CO |
| Phone | — |
Population & Service
| Population Served | 2,154 |
| Service Connections | 547 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2000 | Jul 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Jul 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2000 | Total Coliform Rule |
| Jul 1, 2000 | Jul 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jul 31, 2000 | Total Coliform Rule |
| Aug 1, 1997 | Aug 31, 1997 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Aug 31, 1997 | Total Coliform Rule |
| Oct 1, 1992 | Oct 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | Total Coliform Rule |
| Oct 1, 1992 | Oct 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1992 | Total Coliform Rule |
| Dec 1, 1991 | Dec 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Dec 31, 1991 | Total Coliform Rule |
| Nov 1, 1991 | Nov 30, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Nov 30, 1991 | Total Coliform Rule |
| Oct 1, 1991 | Oct 31, 1991 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1991 | Total Coliform Rule |
| Oct 1, 1979 | Oct 31, 1979 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | Radionuclides and Revised Rad Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.