By stompk
Addicks Dam is essentially a levy, and on the other side is a densly populated area. Here is a picture of the Addicks area, notice the dam around the area that in now full of water.
___ http://www.youtube.com/watch?v=bCGYaO9Zo5A
— http://beforeitsnews.com/weather/2017/08/houston-update-addicks-dam-breached-could-be-worse-than-katrina-2446084.html