Auditing of houses on water use efficiency?

The field staff working at the ground level are General Managers, Dy. General managers, Managers and Linemen along with SHG women, & Community Resource Persons were given instructions to visit house to house in each ward and Docket wise and note down the following observations during their field visits so as to get the clear picture how much of water is being actually supplied to the area and the quantum of the water that is actually being wasted and thereby branding the houses with colour codes.