HOLLISTER, CA · San Benito County
RANCHO SAN JOAQUIN MWC Water System
Current status
1 item on record is open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace California’s official records. Always confirm current status with California before making decisions based on this information.
System facts
- System ID (PWSID)
- CA3500581
- System type
- Community Water System
- Population served
- 914
- Service connections
- 30
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
LSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedPublic Notification Violation for NPDWR Violation
—Public Notice
April 1, 2024 – October 7, 2024
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2021 – December 31, 2021
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2012 – July 31, 2012
Resolved
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 17, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| April 1, 2024 – October 7, 2024 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| January 1, 2021 – December 31, 2021 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2012 – July 31, 2012 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
Unaddressed no corrective action on record yetResolved addressed and confirmed by the state
Enforcement actions
- September 4, 2024State Administrative/Compliance Order with penalty issued3 linked violations
- September 10, 2022State Compliance achieved4 linked violations
- September 15, 2018State Compliance achieved5 linked violations
- September 14, 2018State Compliance achieved1 linked violation
- March 28, 2018State Administrative/Compliance Order without penalty issued5 linked violations
- December 7, 2012State Administrative/Compliance Order without penalty issued4 linked violations
- September 14, 2012State Administrative/Compliance Order without penalty issued1 linked violation
- January 31, 2007State Violation/Reminder Notice5 linked violations
- November 24, 2004State Compliance achieved5 linked violations
- September 30, 1997State Compliance achieved3 linked violations
- September 17, 1997State Public Notification received11 linked violations
Contact
ROCHA, SUSAN
408-804-1401
HOLLISTER, CA 95024