Drinking water is characterized the water is clear of physical, chemical, biological and microbiological point of view and can be consumed without danger to human health. Drinking water should be colorless, odorless, cool and pleasant taste.
It must not have high hardness because this causes difficulties in daily and industrial use.
It must not contain a large amount of organic substances, heavy metals and pathogens or parasites or germs.
The water temperature should be stable at 10-15 degrees Celsius.
During the quality control of water basically investigated the following characteristics: Smell, Taste, Color, Turbidity, Temperature, Alkalinity, Acidity, pH, Germs, Hardness. Occasionally also investigated various compounds, chlorides, sulfates, etc.