Water in my Gas

Today I discovered that 2 of the 4 gas cans I have are somehow ridden with holes (well, they each have one hole in them). It looks like some bug ate through the plastic. This allowed water to get in the gas and it won't work in my mower. I don't really know how to best dispose of it. I think I'm going to set it on fire...maybe after pouring it on a cinder block. Maybe I'll see if someone wants to use it to start a bonfire or something.