When my neighbor does laundry water comes into my toilet
I live in a condo, when my upstairs neighbor does laundry, water comes into my toilet. My condo association will not call a plumber, they say it's "just the way the building is". I of course fear flooding, but I am also concerned that water from the sewer lines is coming into my home and sitting in my toilet until I happen to come home and flush. This cannot be sanitary. Can you tell me where I may go to get some documentation so that my condo assosiation will do something about it?