Illinois American Water Completes Major Improvements, Enhancements to Regional Water Treatment Plant Near East St. Louis

Core Insights - Illinois American Water's Interurban District completed significant upgrades to its water treatment plant in 2025, focusing on service reliability, water quality, and operational efficiencies [1][2][4] Investment and Upgrades - Since 2019, $157 million has been invested in upgrades and enhancements to the Metro East regional water treatment plant [1] - The upgrades include construction of an elevated water storage tank, new raw water pumps, a new diesel backup pump, and a new ultraviolet water treatment system [7] Capacity and Service - The water treatment plant serves approximately 75,000 direct customers, equating to a population of over 350,000 in the Metro East [3] - The plant meets a daily demand of approximately 39.3 million gallons, with a maximum daily demand of about 47.7 million gallons [5] Economic Impact - The investments in water and wastewater infrastructure have created over 1,500 jobs in the Metro East region, with a reported economic ripple effect of 10 jobs created for every $1 million invested [8] Recognition and Standards - The East St. Louis water treatment plant is a member of the Partnership for Safe Water, a national initiative recognizing water suppliers that exceed EPA regulatory requirements [9]