In accordance with state and federal law, and in particular the Clean Water Act, the City of White Settlement, Texas, maintains and operates a back flow certification and testing program for the prevention of back flow.  This provides assurances to the city’s citizens that a clean water supply will be maintained and it will be

A one-way valve, also known as a check valve, clack valve or non-return valve (back flow valves), is a mechanism that only allows fluid to flow through it in one direction.  They have many applications in construction and plumbing, but for this article we will be discussing their use in the prevention of backflow. A

The City of Weatherford, Texas, required that all contractors and back flow testers be registered with the City of Weatherford before conducting any work on back flow devices.  In order to become registered, contractors should complete a Contractor Information Sheet, provide the Planning and Development Office with a copy of the contractor’s Master License, proof