I have a pipe that is halfway under a door jamb and inside the concrete floor which when I run a the sink water is now coming out of it. This pipe is next to our AC blower unit inside the basement. I suspect this is somehow connected on the other end to our sewer septic tank and was never capped correctly when they made changes to this 40 year old house.
Does anyone know why there would be a line near the AC unit? (Could it have been an original condensation drip line into the septic tank?)
Any suggestions on how to uncover more of the line to cap it?
I am guessing this also means the septic is nearly full and needs to be pumped. Original owners didn't know where it was located to tell us at time of sale a year or so ago.
Any ideas on how to find it?