spillway as well. and the emergency spillway isn t even really a spillway. it s just a hillside. and that there you go. that hillside even though it s supposed to be an emergency outlet for the water coming out of the lake, it did not hold up well this weekend. i think we ve got a shot of what the hillside looked like before this weekend. here s what it looked like by yesterday afternoon. yeah. and see the lake there is on the left side. if that erosion underneath the rim of the reservoir there gets so bad that it takes out basically the wall that s the rim of the reservoir, then all of that water s going to come down the hill. this is when the evacuation order went out this week, when they realized that erosion was that catastrophic on the emergency spillway, when they realized the sudden erosion was happening. when they realized it was happening to that hillside, they realized that concrete lip holding the reservoir could fail