Credit: The EPA said it had reviewed aerial imagery confirming that 13 of the 41 Superfund sites in Texas were flooded by Harvey and were "experiencing possible damage" due to the storm.

AP EXCLUSIVE: Toxic waste sites flooded in Houston area

Next stop Earth for NASA’s space champ with 665 days aloft

US seizes control of Russian posts in San Fran, DC, NY

‘I survived’: How 1 woman lived Harvey on social media

Clooney depicts American dream as nightmare in ‘Suburbicon’

How to build an emergency preparedness kit for your pets