We operate as regulated utilities in approximately 1,600 communities in 16 U.S. states and follow environmental and health and safety regulations set by local authorities and federal standards. Our primary operating assets include approximately:

  • 81 surface water treatment plants
  • approximately 51,000 miles of mains and collection pipes
  • 530 groundwater treatment plants
  • 1,000 groundwater wells
  • 130 wastewater treatment facilities
  • 1,300 treated water storage facilities
  • 1,400 pumping stations
  • 80 dams


Our Regulated States

California American Water
Hawaii American Water
Illinois American Water 
Indiana American Water
Iowa American Water
Kentucky American Water
Maryland American Water
Michigan American Water
Missouri American Water
New Jersey American Water
New York American Water
Pennsylvania American Water
Tennessee American Water*
Virginia American Water
West Virginia American Water

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

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