$31.5 million water treatment plant improvement project enhances water treatment processes and delivery of clean, safe water in Jerseyville.

Major upgrades and improvements were completed this fall at Illinois American Water’s water treatment plant in Jerseyville. The transition to the new water treatment plant has been seamless for local customers and is part of the company’s ongoing commitment to maintaining the reliability and safety of the water provided to Jerseyville customers.

Plocher Construction of Highland was the contractor of the $31.5 million upgrade to the water treatment plant. All work on the project was completed by union employees.

“The groundwater source for the Jerseyville District remains the same and there are no changes to the quality of the water provided to our customers,” said Sarah Bowman, Operation Manager, Central Division, Illinois American Water.

Bowman continued, “The improvements allow the facility to more effectively treat the raw water for more efficient use of chemicals used in the water treatment process, including an improved lime treatment system. The project includes updates to equipment for safer and more reliable operation of the facility. The improvements also allow the facility to meet the future needs of the Jerseyville community and continue to meet all regulatory quality standards.”

The original water treatment plant was built in 1963 by the City of Jerseyville. Illinois American Water purchased the water system in Jerseyville, which included the water treatment plant, in 2020.

“Through the transition to the enhanced water treatment plant, Illinois American Water continues to prioritize the safety, reliability, and quality,” added Bowman. “We would like to thank our Jerseyville District employees for their continued dedication and commitment to meeting Illinois American Water’s high standards throughout the project.”

Illinois American Water monitors and tests the drinking water in the Jerseyville District continuously. Ongoing tests confirm the water in the Jerseyville District is safe and meets all water quality standards.

Bowman said future upgrades and improvements are planned in 2025 at the water treatment plant. The upgrades will continue to improve the water treatment plant’s resiliency.

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 6,500 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 high-quality and reliable water and wastewater services to approximately 1.4 million people. American Water also operates a quality control and research laboratory in Belleville.

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