What is backflow?
Backflow is the undesirable reversal of water flow in a potable water system through a cross-connection
What is a cross-connection?
It is an actual or potential connection between a public water system line and any other line, which contains water or fluids of a questionable or unknown source or quality.
What is the most common form of cross-connection?
A garden hose. A hose can be easily connected to the drinking water supply and used for a variety of potentially dangerous applications.
Is Andrews the only city in Texas enforcing backflow regulations?
No. All public water systems are required to implement cross-connection control programs in the State of Texas.
What is a backflow preventer and why is it needed?
A backflow prevention assembly is an approved, testable assembly, which uses valves to prevent potential contaminants from flowing back into the drinking water system.
Why is the City responsible for enforcing the rules since they are TCEQ rules?
The EPA enforces the backflow regulations by delegating the responsibility to the TCEQ who then enforces the backflow regulations by requiring cities to administer the backflow program locally.
Who is responsible for testing and maintenance of the backflow prevention assembly?
The customer is responsible for ensuring the assembly is in proper operating condition; however, the City of Andrews will send notices to customers reminding them when a test is due.
When are backflow devices required to be tested?
Backflow devices are required to be tested upon installation of the device and then every two years thereafter.
Why to backflow devices have to be re-tested?
They are mechanical devices with working internal pieces that could stop working due to debris or calcification of water.
Who do I call to have a test performed?
Any certified backflow prevention assembly tester who is registered with the City of Andrews.
What will a test cost?
The cost of having a device tested varies among testers. The cost depends on several factors, including the size of the device, where the device is located, the type of device, etc.
