LOS ANGELES CWWD 40 REG 4 & 34 LANCASTER
Community Water System · California · ALHAMBRA
PWSID: CA1910070
Compliant
Population Served
208.1K
Service Connections
53.0K
Total Violations
11
Health-Based Violations
2
Lead & Copper Data
Lead Level
Caution1.80 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- ALHAMBRA
- ZIP Code
- 91803
- Counties Served
- Los Angeles
- Cities Served
- Alhambra
- Open Violations
- 0
- State
- California
Violation Summary
11
Total Violations
2
Health-Based
0
Open Now
Most recent violation: 2007-09-01
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: CA1910070.SafeWater Home