HARDIN, Ill.--(BUSINESS WIRE)--Major upgrades have been completed at Illinois American Water’s water treatment plant in Hardin. A $500,000 investment in the installation of a sodium permanganate chemical feed system was completed last fall. According to Sarah Bowman, Senior Operations Manager, Central Division of Illinois American Water, the groundwater source of water supply in Hardin has high levels of natural iron and manganese. Sodium permanganate has been added to the water treatment strat...
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