$1.6-billion Mo. water infrastructure plan includes 140 mi. of pipeline replacement
(UI) - Missouri American Water has filed a rate request with the Missouri Public Service Commission to support approximately $1.6 billion in planned investments aimed at modernizing water and wastewater infrastructure across the state through 2028.
The utility's capital program includes replacement of approximately 140 miles of aging water and wastewater pipeline, upgrades to storage tanks, wells, pumping stations, hydrants and meters, as well as continued lead service line replacement. The plan also includes improvements to water and wastewater treatment facilities to enhance reliability and address emerging regulatory requirements, including PFAS treatment.
Major projects include relocating and replacing the South Plant intake in St. Louis County to reduce flood risk, constructing a new filter and chemical feed building in Jefferson City, expanding the water treatment plant in St. Joseph with new clarifiers and filters, and upgrading treatment systems in Joplin. Additional wastewater investments include lift station construction, treatment equipment upgrades and other improvements to increase operational reliability and environmental compliance.
The rate request marks the first step in an 11-month review by the Missouri Public Service Commission. If approved, new rates would take effect in June 2027, helping fund continued infrastructure improvements serving more than 1.7 million customers across 30 Missouri counties.
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