California American Water

What California American Water does

California American Water is a regulated water and wastewater utility company that delivers clean, safe, reliable, and affordable water and wastewater services to residential, commercial, and municipal customers across multiple communities in California. As a wholly-owned subsidiary of American Water Works Company, Inc. (NYSE: AWK), the largest and most geographically diverse publicly traded U.S. water and wastewater utility, the company operates within an exclusive service franchise regulated by the California Public Utilities Commission, which approves both rate schedules and acquisitions of additional water systems.

The company's core product is regulated water and wastewater utility service, delivered through company-owned treatment and distribution infrastructure. Supporting products include the MyWater customer online portal for bill payment, account management, usage viewing, and paperless enrollment; multiple billing and payment channels; customer assistance programs for qualifying low-income customers; annual water quality reporting; and the Military Services Group, which provides utility services to Department of Defense installations under the Utility Privatization program. Contract Services (Liberty and Camden divisions) extend operations and maintenance capabilities to municipal and private utility clients. The underlying technology is conventional water and wastewater treatment and distribution infrastructure, with no disclosed proprietary AI, software platform, or differentiated technology stack.

Revenue is generated through recurring metered consumption charges to residential and commercial customers under CPUC-approved tariffs, supplemented by contract operations revenue from municipal and private utility clients and military installations. The business model is subscription-like and recurring in nature, with pricing controlled by the regulator rather than market-determined. Growth is driven by a combination of organic consumption trends, CPUC-approved rate cases, and a serial acquisition strategy that has consolidated smaller private and mutual water systems into the California franchise footprint, including the December 2025 acquisition of Yerba Buena Water Company.

Name

California American Water

Legal name

American Water Works Company, Inc.

Website

https://amwater.com

Company type

Public

Founded year

1965

Operating status

Operating

Headcount range

51–100 employees

Short description

California American Water is a regulated water and wastewater utility subsidiary of American Water Works Company (NYSE: AWK) providing clean, reliable water and wastewater services to residential, commercial, and municipal customers across California under California Public Utilities Commission oversight.

Ownership category

akta.pro rank

Product category

Water and Wastewater Utility Services

NAICS

Water Supply and Irrigation Systems (22131), Water, Sewage and Other Systems (2213), Sewage Treatment Facilities (221320)

SIC

Water Supply (4941), Electric, Gas & Sanitary Services (4900)

akta.pro primary industry

Water Supply & Wastewater Utilities Administration (BPAIACAG)

Keywords

• Regulated water utility
• Wastewater services
• Water distribution
• Water treatment infrastructure
• Utility services

Headquarters

HQ city

Sacramento

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Operations, Infrastructure, Personnel

Revenue model

1. Water and wastewater utility services: California American Water generates revenue through regulated water and wastewater utility services to residential, commercial, and municipal customers. As a subsidiary of American Water (the largest publicly traded U.S. water and wastewater utility), the company operates under rate regulation by the California Public Utilities Commission.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

California American Water provides regulated water and wastewater utility services to residential, commercial, and municipal customers across California through company-owned treatment and distribution infrastructure. Services include water supply, wastewater collection and treatment, customer billing and account management via the MyWater online portal, and ancillary offerings such as Military Services Group partnerships with the Department of Defense and Contract Services for municipal and private utility operators.

Product overview

California American Water is a regulated water and wastewater utility company providing essential services to residential and commercial customers across California. The company operates as a subsidiary of American Water Works Company, offering clean, safe, reliable and affordable water and wastewater services. The core product offering consists of water and wastewater utility services, supported by the MyWater customer portal for online account management, billing and payment services, and water quality reporting. Additional services include Military Services Group providing utility services to Department of Defense installations, Contract Services (Liberty and Camden divisions) for municipal and private utilities, Customer Assistance Programs, and the American Water Charitable Foundation for community support initiatives.

Differentiator

Problem solved

Functional benefit

Products and services

• Water and Wastewater Services Clean, safe, reliable, and affordable water and wastewater utility services provided to residential, commercial, and municipal customers across California through company-owned treatment and distribution infrastructure under California Public Utilities Commission rate regulation.
• Military Services Group

Quantifiable outcome

• Infrastructure investment of $5.2 million in new Oakhurst water treatment facility to remove naturally occurring minerals causing aesthetic concerns
• +1 more outcomes

Named customers1 record

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record.

• California Public Utilities CommissionOthersRegulatory body that approved California American Water's acquisition of Yerba Buena Water Company. The commission reviews and approves utility acquisitions to ensure compliance with California regulations and service quality standards.
• American Water Charitable FoundationOthersThe American Water Charitable Foundation, established by American Water (parent company of California American Water), provides community support including grants to organizations like Sacramento Food Bank and Family Services. California American Water participates in foundation activities supporting California communities.

Scale indicators3 records

Recent moves5 records

Expansion highlights6 records

Direct peers

• California Water Service Group: Investor-owned California water and wastewater utility serving residential, commercial, and industrial customers across the state. Most directly comparable peer to Cal Am by geography, business model (regulated utility), and customer base.
• Golden State Water Company: Subsidiary of American States Water Company (NYSE: AWR), operating as a regulated water utility across California. Directly comparable peer by state, regulated utility model, and customer mix; competes with Cal Am for CPUC-approved acquisitions.
• San Jose Water Company: Subsidiary of SJW Group, a regulated water utility serving the greater San Jose area. Closely comparable in business model (CPUC-regulated water utility), customer base, and infrastructure profile within California.
• Liberty Utilities: Subsidiary of Algonquin Power & Utilities, operates regulated water and electric utilities across multiple U.S. states including California. Comparable as a regulated utility peer pursuing the same small-system acquisition strategy.
• American States Water Company: Parent of Golden State Water Company, NYSE-listed (AWR), providing regulated water service to over one million customers. Directly comparable as a publicly traded California-focused water utility holding company.
• SJW Group: NYSE-listed holding company (SJW) whose principal subsidiary is San Jose Water. Comparable peer as a publicly traded water utility holding company with California operations and an active M&A posture.

Broad incumbents

• Essential Utilities: NYSE-listed (WTRG) multi-state regulated water and natural gas utility serving customers in multiple states. Comparable as a broader regulated water utility peer with adjacent states and acquisition-driven growth.
• Veolia North America: Operates municipal and private water/wastewater contracts across the U.S., including in California. Comparable as a large incumbent in the water and wastewater services space with municipal contract operations similar to Cal Am's Contract Services business.
• Aqua America (Essential Water): Large U.S. water and wastewater utility serving customers across multiple states. Comparable as a large incumbent investor-owned water utility with a similar small-system acquisition strategy, though focused primarily outside California.

Regional players

• Middlesex Water Company: NASDAQ-listed regulated water utility primarily serving New Jersey, Delaware, and Pennsylvania. Comparable business model (CPUC-equivalent regulated utility) but geographically distinct from Cal Am's California footprint.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/caamwater
• YouTubeyoutube.com/user/amwatercorp
• Facebookfacebook.com/caamwater
• LinkedInlinkedin.com/company/american-water
• Instagraminstagram.com/wekeeplifeflowing

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A6 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about California American Water