ROHNERT PARK, CITY OF
Community Water System · California · ROHNERT PARK
PWSID: CA4910014
Compliant
Population Served
43.8K
Service Connections
10.4K
Total Violations
561
Health-Based Violations
4
Lead & Copper Data
Lead Level
Safe0.00 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
- Groundwater
- System Type
- Community Water System
- City
- ROHNERT PARK
- ZIP Code
- 94928
- Counties Served
- Sonoma
- Cities Served
- ROHNERT PARK
- Open Violations
- 0
- State
- California
Violation Summary
561
Total Violations
4
Health-Based
0
Open Now
Most recent violation: 2021-07-01
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: CA4910014.SafeWater Home