Water treatment is the process of treating the quality of water for it to be suitable for a particular use. The end-use could be for drinking, irrigation, industrial water supply, or the treatment of disposable water to be safely returned to the environment. The water treatment removes the contaminants and other undesirable materials or reduces the concentration to become safe for use. The process can avoid the result of harmful water supply, such as diseases to people and harm to other living organisms. The financial model templates here are suitable for ventures related to water treatment.