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Waste is still a problem that disturbs the community, waste consists of several types, including solid waste in and liquid waste. Liquid waste can be produced from the results of household activities, this liquid waste is in the form of oil, sauce and soup leftovers, etc. This liquid waste will be discarded along with soap waste through a drainage system which if it is discarded to the ground , it has the potential to cause damage. The purpose of this study is to develop a method to reduce the negative impact of these household wastes. The method in this study was a quasi experiment that will measure the quality of wastewater before and after being processed with tools made by researchers. The measuring instrument used TDS meter. The results show that water treated with the first filter is more effective than the second and the third filters. The composition of the first filter consists of peble, sponge, cloth, pool filter. The differences between the first filter and the second/third filter is that fine and coarse sawdust were added in the second and third filter. After being tested it turns out that sawdust actually contributes to increase the level of pollution in the wastewater.