WINCHESTER WB REST AREA
Washington — Transient Non-Community — PWSID: WA53HD981
System Information
| PWSID | WA53HD981 |
| System Name | WINCHESTER WB REST AREA |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Ephrata |
| ZIP Code | 98823 |
| Address | 804 Basin Ave |
| Organization | WINCHESTER WB REST AREA |
| Phone | — |
Population & Service
| Population Served | 944 |
| Service Connections | 3 |
Drinking Water Violations (9)
This water system has 9 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2017 | Mar 31, 2017 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2017 | Revised Total Coliform Rule |
| Mar 1, 2013 | Mar 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2013 | Total Coliform Rule |
| Dec 1, 2000 | Dec 31, 2000 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 2000 | Total Coliform Rule |
| Jan 1, 1995 | Jan 31, 1995 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Jan 31, 1995 | Total Coliform Rule |
| Nov 1, 1993 | Nov 30, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1993 | Total Coliform Rule |
| Jul 1, 1992 | Jul 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 1992 | Total Coliform Rule |
| May 1, 1992 | May 31, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | May 31, 1992 | Total Coliform Rule |
| Nov 1, 1991 | Nov 30, 1991 | Coliform (TCR) | MR | No | Yes | — | 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 |
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.