Please help me with these circuit diagram

[Malvinelly]

Is it possible to also check the amount of run off of water in a river after rain fall? If yes, with which device(s) and how. If i can also get the circuit diagram and how i can construct it.

 

[mneary]

Please don't cross post. It will not help to get more replies and in fact decreases your chances. I don't know which one to answer. So I won't.