American Water
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Regulated State Operations

We are the largest, investor-owned water and wastewater utility company in the United States.

Our regulated businesses currently provide water and wastewater services in 16 U.S. states*. Our regulated subsidiaries are subject to economic regulation by state PUCs in California, Hawaii, Illinois, Indiana, Iowa, Kentucky, Maryland, Michigan, Missouri, New Jersey, New York, Pennsylvania, Tennessee, Virginia and West Virginia.That means that in each state we operate, water quality and service rates are subject to extensive regulation by state PUCs, as well as environmental, health and safety and water quality regulations by federal, state and local governments. Our vast network of treatment plants, pumping stations, storage facilities, and approximately 45,000 miles of main and collection pipe, are all put to work each day to provide our customers with the highest-quality service.

Our 15 states subsidiaries are:

Our American Water Enterprises Group provides additional Products and Services to areas all over the country. For more information, contact us at 908.359.5501 or email us at

*Tennessee American Water provides water to part of northern Georgia.