I come home and have maybe 1" of water in bottom of stem in base of bowl. This happens when neighbor flushes her toilet. I have had a plumber here, he has reset the toilet & new wax ring, gone on roof to vent from the top, routed in toilet out to sewer system to find NO blockages, he has even been over to check neighbors feed to sewer & found no blockages. He has no answers any more to help. This started 1 year ago water started being removed after neighbor flushing just a little now 1 year later all my bowl water is now gone. Neighbor has been there 8 years with no problems prior, I have no animals and the only thing that I have seen is the utilities dug up shallow wires and fixed it in the front area. Any thoughts?
Plumbing – ilet water disappearing after neighbor flushes toilet
plumbingremovaltoiletwater
Related Solutions
If you had "the sewage line get backed up" all along and didn't do anything to fix it (replacing the water line doesn't) then the sewage line will only get worse.
As for your tub (I think you want me to guess you shower in the tub instead of having both a tub and a separate shower), it probably connects to the sewage line after the clog that affects your toilet.
The hole in question is a siphon jet. It concentrates flow from the tank, jump-starting the siphoning effect.
If you look close (I’m not suggesting you do), there’s a siphon jet hole (see letter G on diagram) in the bottom of the toilet bowl. It’s hard to see unless you put your head in the toilet (For the record, I didn’t do this). When you flush, water shoots out of this hole to fill the drain pipe. This creates a siphon.
When I investigated, it was plugged. Eureka! I cleaned it out and once again heard that perfect flush. -tomlaforce.com
See (acid), How to clean under the narrow toilet rim to restore full flush power
When you flush the toilet in the diagram, the chamber directly above the X fills with water. This chamber is connected to the same passage where the air is, above G. It's also where all the holes are and once they fill with water, the air is forced out through G.
A noticed change may be a clog somewhere but perhaps as the guest toilet, you never realized how poorly it preformed out of the box. IME this is typical of low-flow toilets but also of every toilet that hasn't been flushed in a while.
You may be interested in adjusting or installing a chain float which will hopefully allow enough water to flow after the bubble pops, to create a siphon.
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Best Answer
I agree with Ed Beal, the plumber should actually route/snake/auger both of your vents from the roof...it seems like the neighbor's vent is clogged. There should also be vents by the street & those should be cleared as well. Either way it should be a venting clog problem, typically from crazy birds loading your first bend from the roof.