SAN JOSE, CA · Santa Clara County
GREAT OAKS WC INC Water System
Current status
No open violations on record as of July 4, 2026.
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)
- CA4310022
- System type
- Community Water System
- Population served
- 110,088
- Service connections
- 21,415
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Maximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
March 1, 2015 – March 31, 2015
ResolvedMonitoring, Repeat Minor (TCR)
—Coliform (TCR)
August 1, 2005 – August 31, 2005
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| March 1, 2015 – March 31, 2015 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2005 – August 31, 2005 | Monitoring, Repeat Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- April 30, 2015State Compliance achieved15 linked violations
- November 1, 2005State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- May 5, 2004State Public Notification requested1 linked violation
- October 30, 1992State Compliance achieved65 linked violations
- October 23, 1992State Violation/Reminder Notice4 linked violations
Contact
ROEDER, JOHN
408-227-9540
SAN JOSE, CA 95119