Abstract
The daily activities of the community in Griya Katulampa which are washing clothes, cooking, and activities in the bathroom produce greywater. Greywater from the activity directly flows to the Ciliwung River. This has the potential to cause pollution in river water bodies. The purpose of this paper wasto publish the results of research on the impact of the use of filtered greywater for hydroponic plants. This study used experimental methods in the field to build bioretention demonstration plot that is used to filter greywater for hydroponic media of various types of leaf vegetable plants. Based on the results of the study, the use of individual greywaterwas 171.2 litres/person/day. From the results of the observations, it was shown that hydroponic growth at 4 weeks (harvesting time) of the highest productivitywerewater spinach (96.9%), lettuce (75.0%), and spinach (51.5%). Water spinach as a potential plant at 4 weeks had an average growth rate of 31 cm high, 2 stems, 30 leaves. Filter media used to produce the highest productivity of water spinach on the leaf part was the combination media of active charcoal-cyperus. Leaf is a part of water spinach plant that is commonly consumed by the community.
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