1990
10/20/2025
An unusually cold December causes thousands of pipes to freeze and break, and employees in the Bay Area and other Northern California districts work through the holidays to make repairs.
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.
1994
10/20/2025
The Northridge earthquake, one of the most damaging in U.S. history, overwhelms communities in Southern California. While our operations experience only minor damage, our teams spring into action, supporting emergency…
1994
10/20/2025
The company begins trading on the New York Stock Exchange as “CWT.” As noted in our Annual Shareholders Report: “Most people call us a water company. But we’re something different.…
1996
10/20/2025
Parent company California Water Service Group is established. Employees contribute to the mission statement, which expresses a commitment to “being THE leader in providing traditional and innovative utility services.”
1996
10/20/2025
Pete Nelson joins the company as President & CEO. Under his leadership, the company will expand outside of California and engage employees in Continuous Improvement projects to enhance service and…
1997
10/20/2025
Cal Water begins the “Voice of the Customer” survey, focusing on 72 areas of customer service to ensure that employees understand customer priorities and preferences.
1999
10/20/2025
Cal Water’s parent company, California Water Service Group, establishes a presence outside the state when it forms Washington Water Service and acquires Harbor Water Company and South Sound Utilities. Washington…