Question:I have been installing some of the chamber systems, but the manufacturer says that they don’t need any distribution pipe. I’m wondering how the septic tank effluent can get down to the other end without a distribution pipe. In my rock systems I have to put in a distribution pipe. That’s what the code calls for.Answer:Your question is interesting to me since there continues to be a lot of discussion and misunderstanding about the distribution of sewage tank effluent in drainfield trenches and leach fields.First of all, to briefly answer your question, the biomat forms on the bottom of the
