I am working out the kinks in my stage storage table (to be unveiled at AU this year during my SWM class), so for now here is a quick-n-simple way to get your contour areas out of your ponds.
This is also a great tool to use during your Civil 3D transition, because it is actually labeling a regular polyline. So until you break the drawing-your-own-contours habit, you can use this to help automate your labeling.
The procedure below is a variation on the theme of Labeling Polyline “Contours” and Other Lines in Civil 3D
More to come on this subject- but this will get you started. Not a lot of words in here, so let me know if you get hung up.
First you need a Pond Surface. Then…
DEFINE USER CONTOURS UNDER SURFACE PROPERTIES