Definition
Water Quality:
The water without color, taste, smell or precipitates is considered as good water, the water with some color or taste or smell or precipitates but still acceptable from the respondent's point of view is considered to be fairly good water, and the water with some color or taste or smell or precipitates to an extent that is not acceptable from the respondent's point of view is considered to be bad water.
Universe
Sampling frame consists of master sample chosen from census 1997, and this master sample comprises geographical areas closed in size (number of households) which is the enumeration areas used in census, such frame has been used as the Primary Sampling Units (PSUs) in the first stage of selection