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Illinois American Water

Utilities / Water Companies

300 N Water Works Dr,
Belleville, IL 62223

(800) 422-2782

Call (800) 422-2782
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Illinois American Water is the largest investor-owned water utility in the state, providing high-quality and reliable water and/or wastewater services to more than 1.2 million people. In addition to its regulated operations, American Water provides water and wastewater contract operations to the village of Gilberts, serving an additional 4,000 people. American Water also operates a customer service center in Alton and a quality control and research laboratory in Belleville. Illinois American Water is a wholly owned subsidiary of American Water (NYSE: AWK). Founded in 1886, American Water is the largest investor-owned U.S. water and wastewater utility company. With headquarters in Voorhees, N.J., the company employs nearly 7,000 dedicated professionals who provide drinking water, wastewater and other related services to approximately 15.6 million people in 32 states and Ontario, Canada.