EL MONTE, CA · Los Angeles County
SAN GABRIEL VALLEY WATER CO-MONTEBELLO 1 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)
- CA1910189
- System type
- Community Water System
- Population served
- 9,630
- Service connections
- 1,623
- Ownership
- privately owned
- Water source
- groundwater (wells)
Violation history
Monitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2009 – September 30, 2009
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2009 – September 30, 2009
ResolvedMonitoring and Reporting (DBP)
—TTHM
December 1, 2007 – September 30, 2008
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
December 1, 2007 – September 30, 2008
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| January 1, 2009 – September 30, 2009 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| January 1, 2009 – September 30, 2009 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| December 1, 2007 – September 30, 2008 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| December 1, 2007 – September 30, 2008 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- November 23, 2009State Compliance achieved4 linked violations
Contact
NGUYEN, HAI-VAN
626-448-6183
EL MONTE, CA 91734-2010