<![CDATA[Abstract. Cotkuta Village is one of the villages located in Suka Makmue District, Nagan Raya Regency. In this village, there are still people who do not have latrines and septic tanks at their homes. Based on the results of the preliminary survey, it shows that the people in the village still defecate in any place, namely drainage channels, irrigation canals, and alue (tributaries) so that this village is one that is prone to sanitation. There are people in Cotkuta Village who already have latrines, but their septic tanks do not meet the standards. The criteria for a septic tank that do not meet the standards are not cast the floor on the septic tank, so that the wastewater can be directly absorbed into the ground. In this service activity, it was introduced how to make and build a septic tank with an anaerobic system, where the anaerobic system is a new method that needs to be introduced to the community. The application of an aerobic septic tank building first describes the steps for making a biofilter from used plastic bottles as a substitute for a sarang tawon biolfilter, making floor castings, making sewage pipes, and making the walls of the septic tank watertight. The response from partners to this service activity was very positive and enthusiastic. Partners can accept technological innovations that are given and have high interest. In addition, partners are willing to apply the technology that has been given.Keywords: Septic Tank, An-aerob Type, WasteAbstrak. Desa Cotkuta merupakan salah satu desa yang terletak di Kecamatan Suka Makmue, Kabupaten Nagan Raya. Pada desa ini masih terdapat masyarakat yang belum memiliki jamban dan tangki septik di rumahnya. Berdasarkan hasil survei awal, menunjukkan bahwa masyarakat di desa tersebut masih membuang air besar di sembarang tempat yakni saluran drainase, saluran irigasi, dan anak sungai sehingga desa ini termasuk rawan sanitasi. Terdapat masyarakat di Desa Cotkuta telah memiliki jamban, namun tangki septiknya belum memenuhi standar. Kriteria tangki septik yang belum memenuhi standar yaitu tidak di cor nya lantai pada tangki septik, sehingga air limbah buangan langsung terserap ke dalam tanah. Pada kegiatan pengabdian ini diperkenalkan cara membuat serta membangun tangki septik dengan sistem anaerob yaitu metode baru yang perlu diperkenalkan kepada masyarakat. Penerapan bangunan tangki septik an-aerob terlebih dahulu dijelaskan langkah-langkah cara membuat biofilter dari botol plastik bekas sebagai bahan pengganti biolfilter sarang tawon, membuat cor an lantai, membuat pipa buangan limbah, dan membuat dinding tangki septik yang kedap air. Respon dari mitra terhadap kegiatan pengabdian ini sangat positif dan antusias. Mitra dapat menerima inovasi teknologi yang diberikan serta memiliki minat yang tinggi. Selain itu, mitra bersedia untuk menerapkan teknologi yang telah diberikan.Kata Kunci: Tangki Septik, Jenis An-aerob, Limbah.]]>
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