that would be the emergency spillway working
NOPE, that to the left of the EM spillway. There is a parking lot there that is now under water and that part of the dam IS NOT the EM spillway. The water is now running in that area where there is NO reinforced concrete. Only a road.
Go look at prior pictures of the dam before this all started.
Screen cap
http://www.freerepublic.com/focus/news/3523808/posts?page=141#141
From this feed
https://www.periscope.tv/w/1mrGmeVBkqdGy
Shows massive erosion.
Plus they are saying the spillway itself will fail; evac orders issued