TUD - SONORA/JAMESTOWN WATER SYSTEM
Community Water System · California · SONORA
PWSID: CA5510001
Compliant
Population Served
11.1K
Service Connections
5.1K
Total Violations
14
Health-Based Violations
4
Lead & Copper Data
Lead Level
Elevated8.10 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
- Surface Water
- System Type
- Community Water System
- City
- SONORA
- ZIP Code
- 95370
- Counties Served
- Tuolumne
- Cities Served
- Sonora
- Open Violations
- 0
- State
- California
Violation Summary
14
Total Violations
4
Health-Based
0
Open Now
Most recent violation: 2025-04-01
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: CA5510001.SafeWater Home