American Water Works Company, Inc. is the largest and most geographically diverse publicly traded water and wastewater utility in the United States, tracing its history to 1886. The company employs approximately 7,000 professionals serving approximately 14 million people across 24 states. Its primary reportable segment, Regulated Businesses, provides drinking water and wastewater services through regulated utilities operating in 14 states with 3.6 million active customers; this segment generated operating revenues of $4,723 million in 2025. The company also provides water and wastewater services to the U.S. government on military installations and to municipalities.
Regulated Businesses revenue is subject to oversight by state public utility commissions and is governed by federal, state, and local environmental and water quality regulations. In October 2025, the company entered into a merger agreement with Essential Utilities, Inc. in a stock-for-stock transaction under which Essential's shareholders would receive 0.305 shares of American Water common stock per Essential share; the merger is expected to close by the end of the first quarter of 2027, pending customary regulatory conditions.
