Tap water in Thousand Oaks, CA — ZIP 91361
4 public water systems serving about 218,685 people.
A
Excellent
Water systems serving 91361
Las Virgenes Mwd
PWSID CA1910225 · serves 77,562 ·
surface water
0 health-based / 0 total violations (5 yrs)
Cal American Water Co
PWSID CA5610040 · serves 66,809 ·
surface water
0 health-based / 1 total violations (5 yrs)
City Of Thousand Oaks Water Department
PWSID CA5610020 · serves 54,770 ·
surface water
0 health-based / 0 total violations (5 yrs)
California Water Service Co - Westlake
PWSID CA5610016 · serves 19,544 ·
surface water
0 health-based / 0 total violations (5 yrs)
Grades summarize EPA SDWIS violation records (last 5 years) and UCMR 5 PFAS results. They are informational, not a health determination. Methodology