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Leak Detection

Leak Detection in the Greater Austin, Texas & Surrounding Cities


 Sometimes the leaks are not visible by the camera, so another test called isolation testing is needed to pinpoint the areas the leaks are present.  Isolation testing involves pulling the toilets in each bathroom of the house.  From there, test balls are then inserted in each branch line (bathroom #1, bathroom #2, main branch line, etc.).  Next, each line will be filled with water same as a static test; only difference is it is isolating a specific line.  The section(s) that fail from here will then have the test reset to test fitting by fitting utilizing a camera to place the test ball in a specific spot.  Once we determine the spot in the line that leaks, we use our locator to find the spot from the camera to provide an accurate bid.  


  1. Bypass water softener and irrigation to isolate main yard line and house

  2. Test both hot & cold water on pressure gauges – determine if hot or cold line leaks.  

  3. If cold, dig transition in the yard (PVC to copper) directly by the house.  Test yard and copper lines to determine which side leaks.

  4. Once it is determined that the house side leaks (hot or cold), manifold testing would be next.  This involves cutting areas into the sheetrock where manifolds are to test each manifold to find the leaks.  

  5. Leaking lines can then be rerouted through the attic.  Or, for a more cost effective solution, repipe all the water lines to avoid having to repeat this process in the future. 

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How does a sewer system work?

To better understand our testing process, let’s jump into how a successful sewer system runs. 

When you think of your sewer system, the best way to visualize it is as a tree. You start with the tree’s trunk. This is the main line that stretches from the city’s sewer, either in the street or alley, to the furthest drain in your home. Next would be the branches. Each room with a drain located inside of it has a branch line that ties them into the main trunk line that stretches across the entire house. Finally they need to breathe which are the pipes that shoot up your walls piercing through the roof, these are referred to as vent stacks.


Call 844.TX.DRAIN today to schedule service! We are proud to service homes & businesses in the Austin & Central Texas area.


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