The City of League City shared a video on Twitter showing two fire ant colonies floating in Beta flood waters at Countryside Park. In the post, the city warns people that those piles are one of the many reasons walking through flood water can be dangerous. FLOATING ANT PILESThis is one of the reasons why you should avoid walking through flood water. Floating ant piles-like this one found at Countryside Park-can form and be very dangerous. Have you ever encountered one of these ant colonies on the move?