GSWC - SOUTHWEST
Community Water System · California · HAWTHORNE
PWSID: CA1910155
Compliant
Population Served
277.7K
Service Connections
52.6K
Total Violations
11
Health-Based Violations
2
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2022-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- HAWTHORNE
- ZIP Code
- 90250
- Counties Served
- Los Angeles
- Cities Served
- Hawthorne
- Open Violations
- 0
- State
- California
Violation Summary
11
Total Violations
2
Health-Based
0
Open Now
Most recent violation: 2014-11-21
Explore California Water Quality
See all water systems, lead data, and violation trends for California.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: CA1910155.SafeWater Home