Texas Commission on Environmental Quality

For more information on the TCEQ's Cross-Connection Control (CCC) and Backflow Prevention Program, click here.

Environmental Protection Agency

For more information on the EPA's Safe Drinking Water Act (SDWA), click here. . More detailed information on cross-connection and backflow contamination impact can be found here.

Foundation for Cross-Connection Control and Hydraulic Research
You can find general information on Cross-Connection Control, and types of backflow preventers here. For a list of approved backflow prevention assemblies, click here.

Trash found in residential backflow device which caused failed test and can cause contaminants in the drinking water