News Flash


Posted on: November 8, 2022

Missouri American Customer Service Information

Missouri American Water

Below is some important information about the transition to Missouri American Water

  • Customers with non-emergency questions about the transition of their water and wastewater service can email us at or by calling our temporary phone number between 8 a.m. – 3:30 p.m., Monday through Friday at 314-996-2202.
  • The temporary phone number cannot be used to make a payment. Customers can make payments online 24/7 through “MyWater” by visiting or by contacting our customer service center from 7 a.m. – 7 p.m. at 1-866-430-0820.
  • What is MyWater? MyWater is a self-service website that allows customers to manage their account and get emergency updates any time, day or night. With MyWater, customers can pay their bill, turn water or wastewater service on and off, and track water usage history. Customers are encouraged to sign up for alerts to have the most up-to-date information.
  • After customers receive their first bill in the mail, they can visit and click on “Sign Up” in the “Login to MyWater” box in the top right corner. Their account numbers will be on the top corner of their bill. 

Missouri America Water Payment Assistance Program

Sometimes customers face circumstances that stretch their financial resources. Missouri American Water is here to help. Please explore  their payment assistance options on their website. 

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