CITY OF THOUSAND OAKS WATER DEPARTMENT
Community Water System · California · THOUSAND OAKS
PWSID: CA5610020
Has Violations
Population Served
53.2K
Service Connections
17.2K
Total Violations
0
Health-Based Violations
0
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
287000 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 1998-12-31
Copper action level exceeded
System Details
- Water Source
- Purchased Surface Water
- System Type
- Community Water System
- City
- THOUSAND OAKS
- ZIP Code
- 91362
- Counties Served
- Ventura
- Cities Served
- Thousand Oaks
- Open Violations
- 0
- State
- California
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: CA5610020.SafeWater Home