Illinois American Water Invests $26.5M in Streator Plant Upgrades
Streator, Ill. – September 12, 2026 -- Illinois American Water has invested $26.5 million over the past five years into its Streator Water Treatment Plant and distribution system, upgrades that serve roughly 7,600 customers, the company said following a legislative tour of the facility.
Ultraviolet disinfection system adds $4.1 million in treatment capacity
The company installed a new ultraviolet treatment system at a cost of $4.1 million, adding disinfection capability designed to treat bacteria and microorganisms that could be present in raw water drawn from the Vermilion River, the plant's source water.
Filter improvement project worth $3.7 million completed in 2024
A separate $3.7 million project upgraded two aging water filters and added a new structure over the plant's sedimentation and flocculation basins to protect the equipment from weather exposure. Construction on that project was completed in 2024.