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California Water Service Group

California Water Service Group is the third‑largest publicly traded, regulated water utility in the United States, providing high‑quality, reliable, and affordable water and wastewater services to more than two million people in over 100 communities. Through our five subsidiaries—California Water Service, Hawaii Water Service, New Mexico Water Service, Texas Water Service, and Washington Water Service—we deliver essential services that support the health, safety, and well‑being of the communities we serve.

We focus on long‑term system reliability, investing in infrastructure, conservation, and sustainable operations. Alongside our regulated utility services, we offer non‑regulated solutions including water quality testing, billing services, and the operation and management of water and wastewater systems. Our efforts to strengthen supply reliability, improve energy efficiency, and reduce environmental impacts demonstrate our commitment to sustainable service for generations to come.
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Purpose

To enhance the quality of life for our customers, communities, employees, and stockholders.... Read more

Mission

To be the leading provider of water and wastewater services.... Read more

Additional Culture Details

At California Water Service Group, our culture is built on the belief that supporting our employees enables them to provide excellent service to our customers and communities. Our people‑first values—integrity, service, innovation, safety, citizenship, respect, collaboration, agility, and commitment—guide how we work and how we serve more than 2.1 million people.

We create an environment where employees can grow and build long‑term careers. Our enterprise‑wide Career Pathways program offers clear maps outlining the training and education needed for development and future opportunities.

Safety and wellness are core to our operations. We invest in programs that reduce injuries, strengthen safe work practices, and help ensure everyone returns home safely each day.

Collaboration is key to how we operate. Our one‑team, cross‑functional approach helps employees understand how different areas support shared goals while encouraging diverse perspectives that lead to better solutions.

We also listen. Employee feedback has shaped flexible schedules, hybrid work options, and improved communication channels. Regular all‑hands meetings, leadership visits, and open forums support transparency and connection across our footprint.

Service—to customers, communities, and one another—remains central to who we are. Volunteer efforts and community engagement strengthen the places we serve. Together, these elements create a mission‑driven culture where employees feel valued and can thrive.
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Values

Integrity
We do what’s right — always — and uphold the highest ethical standards in every decision and action.

Headquarters

San Jose, CA

Employees

1,336 US Employees

Industry

Water

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