DEL SUR SCHOOL/WESTSIDE UNION DISTRICT
California — Non-Transient Non-Community — PWSID: CA1900750
System Information
| PWSID | CA1900750 |
| System Name | DEL SUR SCHOOL/WESTSIDE UNION DISTRICT |
| 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 | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | QUARTZ HILL |
| ZIP Code | 93536 |
| Address | 41910 50th street West |
| Organization | DEARINGER, SHELLY |
| Phone | 661-722-0716 |
Population & Service
| Population Served | 825 |
| Service Connections | 2 |
Drinking Water Violations (3)
This water system has 3 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2014 | Sep 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2014 | Total Coliform Rule |
| Sep 1, 2014 | Sep 30, 2014 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2014 | Total Coliform Rule |
| Aug 1, 1984 | Aug 31, 1984 | Other | No | No | — | — | — | Archived | Aug 31, 1984 | Miscellaneous Other Rules |
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.