Hi im from germany and we had some very localized flooding in recent times. My question- seeing the data is already there- can i get a version, were i can click

Hi im from germany and we had some very localized flooding in recent times. My question- seeing the data is already there- can i get a version, were i can click on a waterway and get all area that flows to it marked down? It would be a real neat tool to project floodings, should a super-cell discharged the same amount of water we had in the last time. Im actually pretty sure some emergency services would love to have this for "worst case" planning.