What’s the significance of 11 ft?
That’s the level below which most of the wetlands inside the interior walls of the levee go dry.
Below 10 ft, even the deeper potholes go dry.
The Lake has dropped about a foot since the middle of April: it’s currently around 9.25 ft.
If that graph isn’t enough, you can also view a historical calendar of Lake stage, color coded relative to its position in the littoral zone, from the 1930s to present.