Illinois American Water Completes Acquisition of City of Madison Wastewater Collections System

Illinois American Water (NYSE:AWK), a subsidiary of American Water, has completed the $3 million acquisition of Madison city's wastewater collections system, adding approximately 1,500 wastewater customers to its Metro East service area near St.

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Acquisition Adds Approximately 1,500 Wastewater Customers In Company’s Metro East Footprint Near St. Louis;

Over $9 Million In Capital Investments Planned During Next Five Years.

MADISON, Ill.--(BUSINESS WIRE)-- Illinois American Water, a subsidiary of American Water, announced today it has completed its acquisition of the wastewater collections system of the city of Madison for $3 million. The wastewater system acquisition adds approximately 1,500 customers to the company’s footprint in the Metro East area near St. Louis and follows approval of the Illinois Commerce Commission. Illinois American Water has provided water service in Madison for more than 125 years.

“We thank Mayor Hamm and the City of Madison for this vote of confidence. We have provided water service in Madison and the Metro East for more than 125 years and continue to expand our footprint in wastewater services in the state,” said Illinois American Water President Rebecca Losli. “We are well positioned to leverage our resources and expertise to address both their water and wastewater needs for years to come.”

In recent years, Illinois American Water has purchased the wastewater system assets of Alton, Granite City, Godfrey, Grafton, Jerseyville, Shiloh and Metro East Sanitary District in the Metro East.

Illinois American Water is planning $9.1 million in capital investments in the Madison wastewater collections system during the first five years of ownership. Improvements will include upgrades in the collection system, lift station improvements and control and security enhancements at both the pump and lift stations.

“System improvements will be made so that we can continue to meet the wastewater service needs of our customers in the community and meet all regulatory requirements,” added Losli. “We implement our capital improvements with our customers’ best interests in mind.”

The Illinois Commerce Commission approved the Asset Purchase Agreement between Illinois American Water and the City of Madison on September 18, 2025. Illinois American Water hosted a customer open house at the Madison Fire Station on the wastewater system sale on September 3, 2025.

Madison businesses and residents will be receiving additional information in a direct letter from Illinois American Water about their water and wastewater service. Customers will be able to take advantage of the company’s customer service benefits, including online account management and billing information via Illinois American Water’s self-service website, MyWater. Bills can be paid to Illinois American Water by mail, automatic payment, phone or at an authorized payment location.

Illinois American Water also offers two customer assistance programs for qualifying customers needing help paying their bills. The H2O Help to Others Program, which is administered by the Salvation Army and supported by company and customer contributions, provides supplemental funding to customers who qualify. Illinois American Water has also partnered with Dollar Energy to provide an Income-based Discount Program, in which approved water and/or wastewater customers can receive a monthly discount on their bill. More information about these and other affordability programs is available on the company’s website at www.illinoisamwater.com, under Customer Service & Billing, Customer Assistance Programs.

About American Water

American Water (NYSE: AWK) is the largest regulated water and wastewater utility company in the United States. With a history dating back to 1886, We Keep Life Flowing® by providing safe, clean, reliable and affordable drinking water and wastewater services to more than 14 million people with regulated operations in 14 states and on 18 military installations. American Water’s 6,700 talented professionals leverage their significant expertise and the company’s national size and scale to achieve excellent outcomes for the benefit of customers, employees, investors and other stakeholders.

For more information, visit amwater.com and join American Water on LinkedIn, Facebook, X and Instagram.

About Illinois American Water

Illinois American Water, a subsidiary of American Water, is the largest regulated water utility in the state, providing safe, clean and reliable water and wastewater services to approximately 1.3 million people. American Water also operates a quality control and research laboratory in Belleville.

View source version on businesswire.com: https://www.businesswire.com/news/home/20250930768846/en/

Media Contact
Terry Mackin
Director, Corporate Communication and External Affairs
Illinois American Water
terry.mackin@amwater.com

Source: Illinois American Water