Insights

Cybersecurity readiness Cal Water has demonstrated active incident response capabilities, engaging Mandiant for cyber threat containment and recovery, indicating a mature security program that could be complemented with proactive threat detection, employee training, and security operations outsourcing services.

Infrastructure modernization Significant investments in water storage, pump stations, and remote monitoring present opportunities to offer advanced SCADA integrations, IoT sensor deployments, predictive maintenance, and software-as-a-service analytics to optimize asset performance.

Regulatory leadership As the largest regulated utility west of the Mississippi, Cal Water’s scale and regulatory exposure create demand for compliance reporting, risk management solutions, and ESG/ sustainability reporting support aligned with state and federal requirements.

Community partnerships Active community engagement and conservation programs, including collaborations with fire districts, suggest potential for turnkey customer engagement platforms, conservation technology, and grant-enabled efficiency programs that align with public outreach.

Financial opportunity A multi-state utility with substantial revenue and funding bandwidth presents upsell potential for capital project financing, asset modernization financing, and bundled technology solutions across the broader California Water Service Group portfolio.

Similar companies to California Water Service

California Water Service Tech Stack

California Water Service uses 8 technology products and services including NumPy, CISSP, Amazon Web Services, and more. Explore California Water Service's tech stack below.

  • NumPy
    Advanced Analytics And Data Science
  • CISSP
    Certificates
  • Amazon Web Services
    Cloud Hosting
  • Microsoft SharePoint
    Content Management System
  • Babel
    Development
  • Underscore.js
    Javascript Libraries
  • Yoast SEO
    Search Engines
  • HTTP/3
    Web & Portal Technology

Media & News

California Water Service's Email Address Formats

California Water Service uses at least 2 format(s):
California Water Service Email FormatsExamplePercentage
FLast@calwater.comJDoe@calwater.com
87%
Last@calwater.comDoe@calwater.com
8%
First.Last@calwater.comJohn.Doe@calwater.com
3%
LFirst@calwater.comDJohn@calwater.com
2%
FLast@calwatergroup.comJDoe@calwatergroup.com
61%
First.Last@calwatergroup.comJohn.Doe@calwatergroup.com
29%
First_Last@calwatergroup.comJohn_Doe@calwatergroup.com
10%

Frequently Asked Questions

What is California Water Service's phone number?

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You can contact California Water Service's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is California Water Service's stock symbol?

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California Water Service is a publicly traded company; the company's stock symbol is CWT.

What is California Water Service's official website and social media links?

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California Water Service's official website is calwater.com and has social profiles on LinkedInCrunchbase.

How much revenue does California Water Service generate?

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As of July 2026, California Water Service's annual revenue is estimated to be $1B - $10B.

What is California Water Service's NAICS code?

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California Water Service's NAICS code is 22 - Utilities.

How many employees does California Water Service have currently?

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As of July 2026, California Water Service has approximately 708 employees across 2 continents, including North AmericaEurope. Key team members include Cpo: J. B.Chief Financial Officer: C. D.Vice President Engineering And Water Quality: M. R.. Explore California Water Service's employee directory with LeadIQ.

What industry does California Water Service belong to?

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California Water Service operates in the Utilities industry.

What technology does California Water Service use?

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California Water Service's tech stack includes NumPyCISSPAmazon Web ServicesMicrosoft SharePointBabelUnderscore.jsYoast SEOHTTP/3.

What is California Water Service's email format?

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California Water Service's email format typically follows the pattern of FLast@calwater.com. Find more California Water Service email formats with LeadIQ.

How much funding has California Water Service raised to date?

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As of July 2026, California Water Service has raised $170M in funding. The last funding round occurred on Oct 01, 2025 for $4.3M.

When was California Water Service founded?

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California Water Service was founded in 1926.
California Water Service logo

California Water Service

UtilitiesUnited States501-1000 Employees

California Water Service (Cal Water) is a regulated water utility operating in the United States. It is the largest regulated water utility west of the Mississippi and the third-largest in the country, serving 492,600 customer connections across 23 districts in California. Founded in 1926 and based in San Jose, California, the company provides essential water services to residential and commercial customers, supporting reliable water supply and fire protection. It is the largest subsidiary of the California Water Service Group, a broader holding that includes other state-focused water service providers.

Section iconCompany Overview

Phone number
Stock Symbol
CWT
NAICS Code
22 - Utilities
Founded
1926
Employees
501-1000

Section iconFunding & Financials

  • $170M

    California Water Service has raised a total of $170M of funding over 1 rounds. Their latest funding round was raised on Oct 01, 2025 in the amount of $4.3Mas a post_ipo_debt.

  • $1B - $10B

    California Water Service's revenue is estimated to be in the range of $1B - $10B

Section iconFunding & Financials

  • $170M

    California Water Service has raised a total of $170M of funding over 1 rounds. Their latest funding round was raised on Oct 01, 2025 in the amount of $4.3Mas a post_ipo_debt.

  • $1B - $10B

    California Water Service's revenue is estimated to be in the range of $1B - $10B

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