Missouri American Water files rate request driven by $1.5 billion in water, wastewater infrastructure investments
(UI) – Missouri American Water filed a request with the Missouri Public Service Commission (MoPSC) reflecting $1.5 billion in water and wastewater system investments completed and planned from January 2023 to May 2026.

The request reinforces the company’s commitment to replace aging infrastructure, provide reliable service, enhance water quality and comply with environmental regulations.
These projects are important to continue providing quality water, increasing fire protection and improving service reliability for customers and include replacement of over 250 miles of aging water and wastewater pipe to help reduce main breaks and sewer overflows. Improvement projects also include treatment plant upgrades.
Key projects include:
St. Louis County - Replacement of the intake pump station at the South Water Treatment Plant
St. Charles County – Construction of new transmission main to add a second source of water supply
Jefferson City - Construction of a new filter building at the water treatment plant
St. Joseph - Upgrades at the water treatment plant and Randolph booster stations
Joplin – Construction of a new carbon feed system at the treatment plant and well site treatment upgrades
Eureka, Smithton – Wastewater treatment plant upgrades including construction of new lift station and UV disinfection
“We carefully plan investments in our water and wastewater systems to provide safe, clean and reliable service to nearly 1.6 million (one in four) Missourians in more than 90 counties throughout the state,” said Rich Svindland, president of Missouri American Water. “These prudent, ongoing investments show our commitment to protecting public health and safety in the communities we serve.”
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