. >> reporter: usf geologist phillip ben ennham reacting in real time. >> do with all of the rain that we have had, with hurricane hermine. >> it is possible. think of the sponge as the florida aquifer. it's porous because of the limestone. think of this as the stack, the storage facility where the sink hole is now. it's leaking. and you pour the water on top of the sponge. and what happens? it gets saturated and all of the dirty polluted water is leaking through and penetrating the aquifer on the other side. look at the stain. >> reporter: the doctor believes that the contamination will be confined to the immediate area near the mosaic plant in mulberry giving people like james reason to ask questions. >> i noticed the guard shack going up and blocked off the dirt road. and i thought to myself, what is going on. >> let me put it in motion for you one more time. that sink hole is estimated to be 300 feet there tonight. we know this thing opened up three weeks ago. and tonight we protection why did it take so long, three weeks for the public to be notified. as of news time tonight, they