CITY OF ARROYO GRANDE UTILITIES DIVISION
Community Water System · California · ARROYO GRANDE
PWSID: CA4010001
Compliant
Population Served
18.0K
Service Connections
6.9K
Total Violations
7
Health-Based Violations
2
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2026-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- ARROYO GRANDE
- ZIP Code
- 93420
- Counties Served
- San Luis Obispo
- Cities Served
- Arroyo Grande
- Open Violations
- 0
- State
- California
Violation Summary
7
Total Violations
2
Health-Based
0
Open Now
Most recent violation: 2025-05-01
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: CA4010001.SafeWater Home