Check out this study. This is particularly alarming.
The water comes from tanks in different airports and is transmitted through hoses.
Check out this report and see the EPA Report which indicated 12% of all samples tested positive for coliform.
Southwest Airlines has some of the cleanest water in the industry according to the EPA. Only 3% of the water tested contained coliform and all samples were clear of e.Coli
See more in this report!
Picture Source ABC News