RIVERSIDE HIGHLAND WATER COMPANY
Community Water System · California · GRAND TERRACE
PWSID: CA3610057
WholesalerCompliant
Population Served
20.2K
Service Connections
6.7K
Total Violations
6
Health-Based Violations
2
Lead & Copper Data
Lead Level
Caution1.50 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
- GRAND TERRACE
- ZIP Code
- 92323
- Counties Served
- San Bernardino
- Cities Served
- Grand Terrace
- Open Violations
- 0
- State
- California
Violation Summary
6
Total Violations
2
Health-Based
0
Open Now
Most recent violation: 2024-10-01
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: CA3610057.SafeWater Home