American Water
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Contact Us

We're available 24 hours a day, 7 days a week.

By Phone - 866.430.0820
By Email
- infomo@amwater.com

Please call this number for water emergencies and for questions or comments about billing/collections, service-related questions, water quality, move-in/move-out notification, changes to your account, My H20 Online, water usage and all related matters. Our representatives are available 24/7 to assist you.

Main Office:
Missouri American Water
727 Craig Road
St. Louis, MO 63141

Media Inquiries

St. Louis County, St. Charles County, Jefferson City and Mexico
Ann Dettmer
External Affairs Manager
Office: 314.996.2356
Cell: 314.623.3822

Brunswick, Joplin, Platte County, St. Joseph, Warrensburg and Branson-area
Christie Barnhart
External Affairs Manager
Office: 417.627.3800 ext. 1008
Cell: 417.529.9781

Business Development

The business development team addresses growth opportunities outside of the company's existing footprint. This includes bulk water sales to municipalities and acquisition of water or wastewater systems.  If your community or water system is interested in public-private partnership opportunities, please contact:  

Kevin Caveny
Sr. Manager, Business Development

Office: 314-996-2355

Government Relations

Government Relations is the company’s liaison to elected officials, business and community leaders in the municipalities served by Missouri American Water.

Brad Brown
Government Affairs Manager
Office: 314.996.2320

Career Opportunities

If you are interested in applying for employment with Missouri American Water, please refer to our online system. We only accept resumes/applications online. View our current career opportunities here. 

Human Resources:  314.996.2332

American Water Contacts

Customer Service
Please choose your state from the list below for a quick link to contact information for your state.

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Customer Service Feedback Form

For Media or External Affairs Inquiries, click here to locate your state's External Affairs Representative.

For General Inquiries
Please contact our Corporate Headquarters:
1025 Laurel Oak Road
Voorhees, NJ 08043
856-346-8200

Investor Relations
Please click here to contact our Investor Relations department or call 1-856-566-4005.