Relier Pairs Tap water journeyVersion en ligne Learn what happens to the water in order to make it drinkable and what happens to it after we use it. par Laura Suárez García 1 Disinfection 2 Water discharge 3 Treatment 4 Filtration 5 Collection 6 Distribution 7 Wastewater treatment 8 Storage 9 Sedimentation Includes filtration, disinfection and storage. After passing water through screens in order to remove large objects, and decanting, water goes through sand and carbon filters. It is the first step for making water drinkable After water is treated and storaged, it is taken to the houses, industries and business from consumption. It is a very important step because it is used to destroy any microrganisms. Includes: screening, sedimentation, biological treatment and airation, and discharge.