CHARLESTON SCHOOL
California - Non-Transient Non-Community - PWSID: CA2400091
System Information
| PWSID | CA2400091 |
| System Name | CHARLESTON 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 | Jun 27, 1980 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | LOS BANOS |
| ZIP Code | 93635 |
| Address | 18463 W.CHARLESTON ROAD |
| Organization | RUIZ, STEVEN |
| Phone | 209-826-7936 |
Population & Service
| Population Served | 325 |
| Service Connections | 1 |
Drinking Water Violations (8)
This water system has 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2022 | - | |
| Oct 1, 2021 | - | TT | Yes | No | - | - | - | Resolved | Mar 28, 2022 | - | |
| Oct 1, 2017 | Oct 31, 2017 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2017 | - | |
| Oct 1, 2017 | Oct 31, 2017 | MON | No | Yes | - | - | - | Resolved | Oct 31, 2017 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| - | - | - | 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.