[9] Most of American Water's services are locally managed utility subsidiaries that are regulated by the U.S. state in which each operates.

Through this program, the company has a 50-year contract to provides water and wastewater utility services at 18 military installations in the U.S.[11] In October 2021, American Water sold its homeowner services group to the global private equity firm, Apax Partners, for $1.27 billion.

[12] In 2023, American Water published its eighth Sustainability Report, showcasing the company's leadership and achievements in environmental, social, and governance (ESG) principles.

By the second quarter of 2024, their capital investment plan reached $3.1 billion, with approximately 43,000 customer connections added through acquisitions and organic growth as of June 30.

The company serves 14 million people with regulated operations in 14 states and on 18 military installations.