CITY OF PALO ALTO
Community Water System · California · PALO ALTO
PWSID: CA4310009
Compliant
Population Served
67.2K
Service Connections
19.9K
Total Violations
18
Health-Based Violations
13
Lead & Copper Data
Lead Level
Safe0.00 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
- PALO ALTO
- ZIP Code
- 94303
- Counties Served
- Santa Clara
- Cities Served
- PALO ALTO
- Open Violations
- 0
- State
- California
Violation Summary
18
Total Violations
13
Health-Based
0
Open Now
Most recent violation: 2015-03-01
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: CA4310009.SafeWater Home