HOLLISTER, CITY OF
Community Water System · California · HOLLISTER
PWSID: CA3510001
Compliant
Population Served
26.0K
Service Connections
7.9K
Total Violations
35
Health-Based Violations
12
Lead & Copper Data
Lead Level
Caution2.30 ppb
Action Level: 15 ppb (EPA) · Sampled: 2023-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- HOLLISTER
- ZIP Code
- 95023
- Counties Served
- San Benito
- Cities Served
- HOLLISTER
- Open Violations
- 0
- State
- California
Violation Summary
35
Total Violations
12
Health-Based
0
Open Now
Most recent violation: 2024-04-01
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: CA3510001.SafeWater Home