CITY OF ANTIOCH
Community Water System · California · ANTIOCH
PWSID: CA0710001
Has Violations
Population Served
115.1K
Service Connections
33.6K
Total Violations
6
Health-Based Violations
6
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2024-12-31
015 ppb action level
Copper Level
104000 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 1992-12-31
Copper action level exceeded
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- ANTIOCH
- ZIP Code
- 94531-5007
- Counties Served
- Contra Costa
- Cities Served
- ANTIOCH
- Open Violations
- 0
- State
- California
Violation Summary
6
Total Violations
6
Health-Based
0
Open Now
Most recent violation: 1997-01-01
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Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: CA0710001.SafeWater Home