The city of Arlington, Texas has a Backflow Prevention Program that regulates and legislates all backflow testing in that city.  The purpose for this regulation is to protect the public water supply from any contamination or pollution due to any cross-connection problems with backflow preventers.  All backflow information for Arlington can be found in the Backflow Prevention Code of the City of Arlington, and more information can be found at http://www.arlington-tx.gov/water/backflow-information/backflow-preventerassembly/.

Backflow testers must be certified by the Texas Commission on Environmental Quality and show proof of that certification and current license with the city of Arlington.  City Backflow Testing is registered with the city of Arlington, Texas.