Water Bottles Can Have 40K Times More Bacteria Than Toilet Seat

Did you know your water bottles can have 40k times more bacteria than a toilet seat! Brace yourself, people! Your reusable water bottle is a lot grosser than you think so says the NY Post. You may do a good job washing it, but a new study reveals not everyone does. Testing shows reusable water bottles can have 40-thousand times more bacteria than the average toilet seat. Let that sink in for a sec.

For the study, researchers swabbed parts of different water bottles. They did it three times each, including the spout lid, straw lid and squeeze-top lid. They found two types of bacteria. Gram-negative rods, which can cause infections that are increasingly resistant to antibiotics, and bacillus. Which are certain types of germs that can result in gastrointestinal issues. Squeeze-top bottles were found to be the cleanest of the styles tested, with a tenth of the amount of bacteria as a screw-top lid or straw-fitted lid.

The water bottles, which are described as being like a “portable Petri dish,” were also compared to household objects to show how filthy they are:

All of this is a good reminder that our water bottles need to be cleaned at least once a day, with hot soapy water. Experts also recommend sanitizing it at least once a week, or more often if you've been sick, drink from it while eating or put something other than water inside.