CALIFORNIA WATER SERVICE GROUP
California Water Service Group (CWSG) is an American public utility company providing drinking water and wastewater services. It is the third-largest investor-owned publicly traded water utility in the United States, serving roughly two million people through its subsidiary companies in California, Hawaii, New Mexico and Washington. CWSG was formed in 1997 as a new holding company for California Water Service to expand into other states regulated by their own public utilities commissions, and into other non-regulated businesses.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Business sectors
- water supply [1]
- Company / filing name
- CALIFORNIA WATER SERVICE GROUP [2]
- Headquarters location
- San Jose [1]
- Founded
- 1997 [1]
- Official website
- www.calwatergroup.com ↗ [1]
- Annual revenue
- USD 846,431,000 · reported year 2022 [1]
- CIK
- 1035201 [2]
- Country in background record
- United States [1]
- Symbols / exchanges
- CWT (NYSE) [2]
Company positioning and business
California Water Service Group (CWSG) is an American public utility company providing drinking water and wastewater services. It is the third-largest investor-owned publicly traded water utility in the United States, serving roughly two million people through its subsidiary companies in California, Hawaii, New Mexico and Washington. CWSG was formed in 1997 as a new holding company for California Water Service to expand into other states regulated by their own public utilities commissions, and into other non-regulated businesses. [3]
Background text: Wikipedia contributors, California Water Service Group. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Understanding company scale
Annual revenue: USD 846,431,000 · reported year 2022. [1]
Financial year, securities and disclosures
Listed securities: CWT (NYSE). Multiple symbols may represent different share classes or securities of the same registrant. [2]
History and key events
Founding / inception date recorded in Wikidata. [1]
Financial results and regulatory disclosures
No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]
Related entities and concepts
Frequently asked questions
When was CALIFORNIA WATER SERVICE GROUP founded?
Founded: 1997. The linked source provides the background record. [1]
Where is the headquarters of CALIFORNIA WATER SERVICE GROUP?
Headquarters location: San Jose. The linked source provides the background record. [1]
Which business sectors are recorded for CALIFORNIA WATER SERVICE GROUP?
Business sectors: water supply. The linked source provides the background record. [1]
Sources and review dates
- Wikidata — company background record (CC0) ↗
- Company identity and profile data ↗
- Wikipedia contributors — California Water Service Group (CC BY-SA 4.0) ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.