1993

10/20/2025
Continuing our progress on water quality innovation, we enhance water chlorination across our California communities and begin at-tap lead and copper sampling.

Continuing our progress on water quality innovation, we enhance water chlorination across our California communities and begin at-tap lead and copper sampling.

Historical timeline showcasing 100 years of California Water Service 1993Historical timeline showcasing 100 years of California Water Service 1993Historical timeline showcasing 100 years of California Water Service 1993
Well chlorination system - 1993

Well chlorination system

Historical timeline showcasing 100 years of California Water Service 1993