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Form 8-K · Current Report · Filed 2026-07-01

Missouri American Water Files Rate Request to Support $1.6 Billion in Infrastructure Investments

Missouri American Water, a subsidiary of American Water Works Company, Inc., has filed a rate request with the Missouri Public Service Commission (MoPSC) to support approximately $1.6 billion in water and wastewater system investments from June 2025 through May 2028.

Filer
American Water Works Company, Inc. AWK · NYSE
Filed
Accession
0001410636-26-000109
CIK
0001410636
Signal
High impactUtilities

Details

The investments aim to modernize and strengthen water and wastewater systems, including the replacement of aging pipelines, upgrading storage tanks, wells, pumping stations, hydrants, meters, and wastewater plants, and addressing regulatory requirements such as PFAS and other contaminants of emerging concern. If approved, the new rates could take effect in June 2027, with the average residential customer in St. Louis County seeing an increase of approximately $23 per month and those outside of St. Louis County seeing an increase of about $15 per month. Missouri American Water remains committed to affordability and offers programs to assist income-eligible customers.

Items reported

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Reported Item

New Major Contract Strategic Partnership Financial Instrument Agreement Regulatory Investigation

Market reaction

Close before filing

$131.58

Next session

+4.0%

Since filing

+2.0%

Latest close

$134.17

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Precedent

Previous filings from AWK reporting the same item, with the next session's move:

About American Water Works Company, Inc.

American Water Works Company, Inc. is a prominent utility company that provides water and wastewater services across the United States. It primarily focuses on the operation and maintenance of water and wastewater utilities, ensuring the delivery of reliable clean water and proper treatment of wastewater for residential, commercial, and industrial customers. With a strong commitment to sustainability and community support, American Water Works is engaged in essential environmental stewardship practices to preserve natural resources. Serving millions of people, the company operates through subsidiaries in several states, playing a critical role in the water infrastructure sector. Its services ensure compliance with federal and state regulations, which safeguards public health and the environment. In the financial market, American Water Works is recognized for its stable operations and contributions to the utility sector, offering investors exposure to a critical and typically regulated industry that remains vital regardless of economic cycles.

Exchange NYSE Industry Utilities - Regulated Water Company website ↗

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