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    pds301's Avatar
    pds301 Posts: 1, Reputation: 1
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    #1

    Jan 4, 2013, 11:39 AM
    Toilet level lowers when shower drains
    We rent a house with a septic system.
    Lately we have noticed our toilets bubbling and the water level getting very low in the bowl when the shower or bath tubs are draining. Is this a sign our septic is not functioning properly? Would pumping the septic tank help? What other concerns should I have?
    smoothy's Avatar
    smoothy Posts: 25,490, Reputation: 2853
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    #2

    Jan 4, 2013, 12:10 PM
    Sounds to me like you have a vent problem or a blocked drain if you have plumbing on higher floors... when the shower drains its creating a vacuum the vent isn't relieving and so its siphoning water from the toilet bowl .
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