WESTERN MWD
Community Water System · California · RIVERSIDE
PWSID: CA3310049
Compliant
Population Served
86.1K
Service Connections
22.3K
Total Violations
0
Health-Based Violations
0
Lead & Copper Data
Lead Level
Caution1.30 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
- Purchased Surface Water
- System Type
- Community Water System
- City
- RIVERSIDE
- ZIP Code
- 92503
- Counties Served
- Riverside
- Cities Served
- Riverside
- Open Violations
- 0
- State
- California
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: CA3310049.SafeWater Home