Missouri American Water provides water usage to the St. Louis County area. For more information, visit Missouri American Water's website.
For general inquiries:
1-866-430-0820
Online service requests:
Click here to complete Missouri American Water's online customer service form
Lead Service Line Replacement Program:
If your service line is made of lead or galvanized steel, Missouri American Water can replace it at no direct cost to you. Visit www.missouriamwater.com/leadfacts for more information.