The replacement of your broken PVC pipe is much simpler as compared to that of the copper pipes. The inspection of these PVC pipes must be a regular practice as PVC pipes are more prone to constant cracks and breaks than the copper pipes.
For every home owner, septic tank plays an important part. People do not understand the method how the water passes from the houses when using the water. Almost every people simply switch the water on and off. They do not try to understand what happens to the water and where the waste water goes.