lift pump venting
Posted by Delbert Elliott on February 13, 19101 at 17:07:14:
I have a lift pump in my basement to pump my basement waste up to the pipe leading out to the septic system. Water seems to be getting to this lift pump from upstairs drains. I think the water may be travelling through the vent pipe because water appears to be dripping from it. I asked the previous owner about the plumbing and he says the lift pump might have been wet vented. I dont know what went venting is but it certainly is not the preferred method of venting. Could this be causing some sort of suction that would pull water "uphill" from the rest of the system into the lift pump or does this indicate that I have a blockage in my septic system or that my septic system is full? I have not seen any sewage backup anwhere.

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