The City of Grand Prairie, Texas, operates an annual backflow testing and prevention program as required by state and federal law in order to assure that the water distribution system in Grand Prairie is unspoiled, thus guaranteeing the health and welfare of its citizens. All backflow testing companies must register with the Environmental Services Department

What is meant by “back flows,” or “backflow?” Back flows refers to the reversal of water flow in the water supply.  On any given day in any given city, water flows from the main water supply into individual homes and businesses.  This as it should be.  The water flows by means of water pressure. There

The City of Colleyville, Texas required annual customer service inspection for cross connection control so that the Colleyville water supply will remain pollutant-free from the effects of backflow. Cross connection inspectors conducting cross connection duties within the City of Colleyvile must be approved and licensed by the city manager and must meet the following requirements: