WINLOCK HIGH SCHOOL
Washington — Non-Transient Non-Community — PWSID: WA5356555
System Information
| PWSID | WA5356555 |
| System Name | WINLOCK HIGH SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 10 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Washington |
| City | WInlock |
| ZIP Code | 98596 |
| Address | PO Box 128 |
| Organization | WINLOCK HIGH SCHOOL |
| Phone | — |
Population & Service
| Population Served | 400 |
| Service Connections | 3 |
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, 2020 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2020 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2007 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Dec 31, 2006 | — | |
| Mar 1, 2000 | Mar 31, 2000 | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 2000 | — | |
| Mar 1, 1996 | Mar 31, 1996 | MR | No | Yes | — | 5% of samples | — | Archived | Mar 31, 1996 | — | |
| Dec 1, 1993 | Dec 31, 1993 | MR | No | Yes | — | 5% of samples | — | Archived | Dec 31, 1993 | — | |
| Jan 1, 1992 | Jan 31, 1992 | MR | No | No | — | 5% of samples | — | Archived | Jan 31, 1992 | — | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1991 | — | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1991 | — | |
| Dec 1, 1991 | Dec 31, 1991 | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 1991 | — | |
| — | — | — | 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.