WASHINGTON SCHOOL
California - Non-Transient Non-Community - PWSID: CA2400071
System Information
| PWSID | CA2400071 |
| System Name | WASHINGTON SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Dec 21, 1992 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | WINTON |
| ZIP Code | 95388 |
| Address | 4402 W. Oakdale Road |
| Organization | LOPEZ, RICHARD |
| Phone | 209-358-5679 |
Population & Service
| Population Served | 338 |
| Service Connections | 6 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | 12 UG/L | 10 mg/L | 10 | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | 12 UG/L | 10 mg/L | 10 | Resolved | Mar 31, 2018 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Dec 1, 2015 | Dec 31, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 1996 | Jan 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1996 | - | |
| Jan 1, 1996 | Jan 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1996 | - | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jul 1, 1995 | - | |
| - | - | - | 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.