The wastewater whether it’s from industrial or domestic waste cause deep concerned to the government. The threats from these issues can’t be neglected and further stringent actions must be taken. Treatments of any wastewater are compulsory before it’s discharged into the ecosystem. There are three general types of wastewater treatment, chemical methods, biological methods and also physical methods. In chemical methods, the examples are reaction to produce insoluble solids, reaction to produce insoluble gas and oxidation-reduction process. Meanwhile for biological methods, there are only anaerobic and aerobic methods and last but not least is the physical method of gravity separation, reverse osmosis and ion exchange. The implementations of these methods are all depend on the type of wastewater treated and the efficiency of the treatments in economical way.