Backflow Testing is the inspection of backflow devices which are used to prevent the occurrence of backflow in the water supply. Every city in the United States which has their own water supply system requires backflow testing, as dictated by the Clean Water Act of 1972.
What is backflow?
To understand backflow, it is necessary to understand how your city’s water system functions. Clean, potable water is stored, by your city, in some water supply holding tank. From that source it is forced outward to businesses and homes by means of water pressure. Once that water is used by the businesses and home owners, the contaminated water is then flushed out of the system through the city sewer system. That is how the system is supposed to work, and that is how the system works 99.9% of the time.
But every so often, because of a sudden dip in water pressure, it is possible for the water pressure at the receiving end (businesses and homes) to be greater than at the source end, and when that happens the water will reverse its flow. In other words, the polluted water will flow back towards the water supply.
What could cause backflow to happen?
Imagine a major fire in your city. Several water hydrants are opened to fight that major fire. The use of those fire hydrants may be enough to cause backflow. Or imagine a sinkhole which ruptures the main water pipe leading to an industrial area. The rupturing of that pipe would cause a loss of water pressure which in turn would cause backflow.
How is backflow prevented?
Back flow is prevented through the use of back flow preventers, otherwise known as backflow devices, valves and air gaps which sense a drop in water pressure and which then shut down and do not allow the water to flow in the opposite direction.
And to ensure that those back flow preventors are working properly, annual backflow testing is required in all cities, and that backflow testing must be conducted by licensed and certified backflow testing companies. Each city has a list of backflow testers who are allowed to conduct those backflow tests. Those tests are conducted and then recorded with the city department, and if those annual tests are not conducted, fines are levied until they are conducted.
Related to all that, obviously only approved backflow devices are allowed to be used, and only certified backflow experts can make repairs or conduct replacement work.
In the Greater Fort Worth area, the name to remember is City Backflow Testing, one of the most trusted names in backflow testing in Texas, and the phone number you want to have handy is (817) 996-2000, the phone number for City Backflow Testing.
We use USC 10th Addition Testing Procedures:
- Notify- Notify the customer we are here for testing
- Identify- Make sure serial number is correct and that we have the right assembly
- Inspect- Make sure there are 4 test ports and 2 Shut off handles
- Observe- Attach test equipment and follow proper testing procedures for this assembly
- Test Reports- Enter values for the assemblies
- Turn in all test Reports to the local water Purveyor or City
City Backflow Testing, when you need the very best, offering the very best for Addison backflow prevention, Bedford backflow prevention, Cedar Hill backflow prevention, and darn near every other city in the Greater Fort Worth area.
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