HAWTHORNE, CA · Los Angeles County
GSWC - SOUTHWEST 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)
- CA1910155
- System type
- Community Water System
- Population served
- 277,740
- Service connections
- 52,644
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Source Water (GWR)
—E. COLI
November 21, 2014 – December 1, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
June 1, 2007 – June 30, 2007
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| November 21, 2014 – December 1, 2014 | Monitoring, Source Water (GWR) | E. COLI | — | Resolved |
| June 1, 2007 – June 30, 2007 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- December 1, 2014State Formal Notice of Violation issued1 linked violation
- December 1, 2014State Compliance achieved1 linked violation
- December 30, 2011State Administrative/Compliance Order without penalty issued1 linked violation
- December 30, 2011State Compliance achieved1 linked violation
- October 5, 2007State Violation/Reminder Notice1 linked violation
Contact
SCHULTISE, DAVE
310-263-4141
HAWTHORNE, CA 90250