About California Water Service Group

Our Company

High-Quality, Affordable Water for Millions

California Water Service Group provides high-quality, affordable water and wastewater services to more than two million people west of the Mississippi River. We are the third-largest publicly traded water utility in the United States, with five subsidiaries: California Water Service, Hawaii Water Service, New Mexico Water Service, Texas Water Service, and Washington Water Service.

Safeguarding Water Quality—and Quality of Life

We are committed to our customers, communities, employees, stockholders, and environment—and take pride in our efforts to support them.

See Our ESG Initiatives

Our Operating Priorities

In everything we do, we are guided by these pillars:

Affordable, Excellent Service

Our user-friendly, technology driven platforms enable clear and effective communication with our customers.

Sustainability & Community Impact

We are committed to supporting our communities and being a responsible steward of our resources.

Employees as Best Advocates

We promote a work environment that is safe, healthy, respectful, and a positive place to grow.

Public Health & Safety

Our water quality testing, water treatment technologies, and emergency preparedness systems and procedures are best-in-class.

Enhanced Stockholder Value

We have the infrastructure and strategy to be successful in the long term.

Our Operations Near You

Our core business is securing, treating, testing, storing, and delivering water for residential, commercial, industrial, and public authority use plus fire protection. In some areas, we provide wastewater collection and treatment and recycled water. Our five regulated operating subsidiaries are:

  • California Water Service
  • Hawaii Water Service
  • New Mexico Water Service
  • Texas Water Service
  • Washington Water Service
CWSG Near You

Making a Difference in Our Communities

We’re more than just a utility; we are part of the communities we serve. And we are dedicated to enhancing the quality of life in the areas we operate—communities we have called home for more than 90 years.

California Water Efficiency Partnership logo
California Water Association logo
alifornia Hispanic Chamber of Commerce logo
Alliance for Water Efficiency logo
American Water Works Association Logo
NAWC logo
CalChamber logo
EPA WaterSense logo
Boys and Girls Clubs of Greater Sacramento
Chico Housing Action Team

Experienced Leadership and Sound Governance Principles

Our leadership shares a commitment to being the nation's leading water and wastewater services provider while delivering quality, service, and value to our customers, communities, employees, and stockholders.

A Certified Great Place to Work™

We are proud of the recognitions we have received for workplace culture and diversity.

Great place to work certified Americas most responsible companies 2021 newsweek 20% by 2020 women on boards

About California Water Service Group