SANTA ROSA, CITY OF
Community Water System · California · SANTA ROSA
PWSID: CA4910009
Has Violations
Population Served
175.4K
Service Connections
54.2K
Total Violations
4
Health-Based Violations
0
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2022-12-31
015 ppb action level
Copper Level
2400 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 1992-12-31
Copper action level exceeded
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- SANTA ROSA
- ZIP Code
- 95401
- Counties Served
- Sonoma
- Cities Served
- SANTA ROSA
- Open Violations
- 0
- State
- California
Violation Summary
4
Total Violations
0
Health-Based
0
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Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: CA4910009.SafeWater Home