Waste Overflow

The toilet tank civilian aircraft, "was an overflow of waste into the atmosphere, is it true?"
I remember reading an article on the so-called "blue ice" falling from the aircraft, especially during descent and the explanation is that the overflow of dress ", could be true? Is it that modern aircraft dump contaminated water into the atmosphere when the tank is full of waste? "I know it will pull the wastewater kitchen, etc. .. in the atmosphere. but not the bathroom! interesting link to "Darkrider" answerer # 5 out these photos and the comments made by airline pilots! Http: / / www.airliners.net/search/photo.search?aircraft_genericsearch=&airlinesearch=&countrysearch=&specialsearch=air_to_air&daterange=&keywords=drain&range=&sort_order=&page_limit=15&thumbnails=&calccount = 1146262 & truecount = false & engine_version = 6.0 Hope you like them:)
The water is drained No. Only field. The only time when something like this could happen is with a defective door lav. You're right, but water in the sink is broken by board, at least in my plane is.