plumbing Home › Forums › Public Forums › General Plumbing › plumbing This topic has 1 reply, 2 voices, and was last updated 22 years, 11 months ago by Guest. Viewing 1 reply thread Author Posts 26 May 2001 at 3:59 am #274974 Vasu Sarpeshkar How do I hook all water lines into one drain line that goes into my septic tank?? 26 May 2001 at 12:46 pm #290855 GuestParticipant you dont, only the toilets go to the septic tank. the rest of the lines go the transperation trenches, leach lines Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In