SAN LUIS OBISPO WATER DEPARTMENT
Community Water System · California · SAN LUIS OBISPO
PWSID: CA4010009
Compliant
Population Served
47.8K
Service Connections
17.0K
Total Violations
2
Health-Based Violations
2
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2019-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- SAN LUIS OBISPO
- ZIP Code
- 93401-2710
- Counties Served
- San Luis Obispo
- Cities Served
- San Luis Obispo
- Open Violations
- 0
- State
- California
Violation Summary
2
Total Violations
2
Health-Based
0
Open Now
Most recent violation: 2015-04-01
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: CA4010009.SafeWater Home