Water Controlling System.

    While thinking how to use and apply IoT in day to day life I came across an issue in my society (having 7 multistory building & approx. total 250 flats) of controlling wastage of water, even though the water tank is full of water and still water pump is ON. Water tank Located on terrace (above top most floor). So 7 buildings have Individual one tank in short 7 building 7 water tank.