St. Louis County, MO

Backflow Assembly Tester Registration Form

Thank you for registering your email and contact information. The new portal to allow for online submittal of annual backflow testing isn’t quite ready yet. Keep an eye on your inbox as you will receive an email with further instructions once it’s up and running.

Please direct questions to: 

Laurie Hogan: 314-615-7861

Patty Miller: 314-615-7271

Licensing and certification requirements are not changing. If you have questions regarding your license, please call Kathy Jamerson at 314-615-3741 or Carmen Starr at 314-615-3723. 


We work with cities and water authorities across the globe that are looking to modernize their operations and future proof of their compliance programs against the changing regulatory landscape.

Please visit our website or contact your city representative for further information.