Our Service Areas

A Century of Service in the West

California Water Service Group provides a reliable supply of safe, clean water and wastewater service to more than 2 million people in California, Hawaii, New Mexico, Texas, and Washington. We are the third-largest publicly traded water utility in the U.S. and proud to have served our communities for more than 90 years.

State service area statistics for Washington
Washington
38,000 Customers
5,068 Water delivered annually (in thousand cubic meters)
425 Neighborhoods
More about Washington Water
State service area statistics for California
California
497,600 Customers
351,788 Water delivered annually (in thousand cubic meters)
100 Communities
More about Cal Water
State service area statistics for New Mexico
New Mexico
11,300 Customers
1,733 Water delivered annually (in thousand cubic meters)
10 Communities
More about New Mexico Water
State service area statistics for Texas
Texas
4,200 Customers
7 Wastewater utilities
More about Texas Water
State service area statistics for Hawaii
Hawaii
6,500 Customers
12,068 Water delivered annually (in thousand cubic meters)
10 Districts
More about Hawaii Water
State service area statistics
State Customers Water delivered annually (in thousand cubic meters) Neighborhoods Communities Wastewater utilities Districts Link
Washington 38,000 5,068 425 More about Washington Water
California 497,600 351,788 100 More about Cal Water
New Mexico 11,300 1,733 10 More about New Mexico Water
Texas 4,200 7 More about Texas Water
Hawaii 6,500 12,068 10 More about Hawaii Water

Our Service Areas

Delivering Safe Water Across the US