MESA WATER DISTRICT
Community Water System · California · COSTA MESA
PWSID: CA3010004
Compliant
Population Served
110.0K
Service Connections
24.4K
Total Violations
4
Health-Based Violations
2
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
- COSTA MESA
- ZIP Code
- 92627
- Counties Served
- Orange
- Cities Served
- Costa Mesa
- Open Violations
- 0
- State
- California
Violation Summary
4
Total Violations
2
Health-Based
0
Open Now
Most recent violation: 2010-01-01
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: CA3010004.SafeWater Home