With the increasing urbanization and economic development, the current water supply is unlikely to satisfy the ever growing demands. Hence, the chemical industry uses the innovative ways of water treatment in order to make water acceptable for end-use, such as drinking, cooking, irrigation and industrial purpose to name a few. The water treatment methods use for basic processes that include boiler water treatment, cooling water treatment, water purification and treatment of wastewater effluent. The substances that are removed during the water treatment process are suspended solids, viruses, fungi, bacteria, algae, and minerals. Water Treatment Chemicals listed here below: