According to recent survey, ground water level is depleting day by day. This is a serious thing as water usable for drinking is vanishing and if the trend remains same day is near when there will be no water left for us. To avoid such circumstances, water treatment system is proved to be the panacea. Water treatment system is the procedure of managing waste water, drinkable water and other usable water. Water treatment systems are required in the modern times; reasons are known to all. One of the most prominent reasons are the over use of water. This is rooted from increase in population and rapid consumption of water. Water treatment systems are used in industries and domestic appliances both. In these systems, purifiers, filters and many similar devices are included. These devices are set up in the kitchen and bathrooms where water wastage is at its peak. In the industries these treatment systems are very important. As in industries, water uses and wastage is very high. Processes like Sedimentation Filtration, Distillation, and Water Softener have been the prominently used in industries. However, water treatment systems are commonly used in daily lives. The devices are available as per modern standards and usability. These are lighter and easy to set up in any desired place and position.