American Water Works Company, Inc.

Largest US regulated water and wastewater utility, serving 14 states

What American Water Works does

American Water supplies drinking water and treats wastewater for about 3.6 million active customers across 14 US states. It owns and runs treatment plants, wells, dams, storage tanks and roughly 55,000 miles of pipes. It also runs water systems on military bases and operates facilities for cities under contract.

How American Water Works makes money

It earns most of its revenue by charging customers for water and wastewater service at rates set by state regulators, which let it recover costs and earn a return on the infrastructure it builds. Contract fees for running water systems on military bases and for municipalities add further income.

Products & services

• Regulated drinking water supply
• Wastewater collection and treatment
• Military installation water and wastewater services
• Municipal water facility operation and management contracts
• Fire service and private fire water supply