bubbles in basement toilet

[mcf57]

Recently, bubbles have been rising in a basement toilet. I think it is occurring when laundry is being done on the main level (of a ranch house). We have a septic tank system so I'm wondering if the septic tank is full and needs to be pumped. Last time it was pumped was in 2006.

Does this sound like a septic tank issue or could it possibly be something else?

 

[Gary Swart]

I admit to be pretty uneducated about septic tanks, but I think they are supposed to be pumped more often that apparently you are doing. Your problem very likely is connected to a full septic tank. It is obviously in the drain system and a clog would not produce bubbles to my knowledge (limited). At any rate, pumping the tank should be done anyway.