Domestic liquid waste comes from household activities that contain pollutants that can contaminate soil and water bodies. If the waste is simply dumped into a water body without being treated first, it can pollute the surrounding environment, so the aim of the study was to determine the volume of wastewater produced and to treat the waste using filtration and adsorption methods. The research method used is descriptive quantitative method by calculating the amount of water use to get the volume of wastewater and wastewater treatment with filtration and adsorption methods. The results showed that the volume of wastewater produced was 11.14 m3/day, and the results of wastewater treatment with filtration and adsorption methods showed that several parameters had decreased, namely the BOD value of 27.38%, Total Coliform of 93.95%, and color of 75%.

The increase in waste production every year continues to increase along with the increasing rate of population growth in Indonesia so that the construction of landfills is something that needs special attention from the government. The disaster that has occurred related to landfills is the landslide disaster at the Leuwijgajah landfill, West Java, which claimed up to 156 people. Therefore, landfill slope stability analysis is a very important parameter in determining the feasibility of a landfill construction. This study aims to analyze the stability of slopes and embankments at the Banjar Bakula Regional Waste Landfill, South Kalimantan using Slope/W. The analysis was carried out using two models, namely using the initial planning design and analyzing based on the PUPR Ministerial Regulation 03/PRT/M/2013 concerning the Implementation of Waste Infrastructure and Facilities in the Handling of Household Waste and Types of Household Waste. The results of this study indicate that the slopes of the landfill and embankments at the Banjar Bakula Regional Landfill are declared safe with a safety factor value above 1.5, namely 1.558 – 1.651 for modeling with the initial planning design and 2.052 – 2.068 for modeling based on the PUPR Ministerial Regulation 03/PRT/M/2013, and 1.943 – 2.168 for the safety factor from embankment.

Air merupakan kebutuhan utama dalam kehidupan sehari-hari. Manusia, binatang, dan tumbuhan memerlukan air untuk kehidupannya. Air dapat pula digunakan sebagai pelarut, pembersih dan keperluan lain untuk rumah tangga, industri maupun usaha-usaha lainnya. Pentingnya air sungai bagi masyarakat di Toraja Utara dan rendahnya kualitas air sungai, seharusnya mendorong pemerintah melaksanakan program peningkatan kualitas air sungai sebagai bagian dari pembangunan.Berdasarkan latar belakang permasalahan, pencemaran yang terjadi pada daerah aliran Sungai Sa’dan, perlu diketahui seberapa besar pengaruh limbah yang terdapat dalam air Sungai Sa’dan yang digunakan sebagai sumber air baku PDAM. Untuk itu perlu dilakukan analisa air sungai diantaranya adalah pH, COD, BOD, Minyak lemak dan Amoniak, selanjutnya dapat diketahui mutu air sungai sa’dan dengan menggunakan parameter kimia.Penelitian ini bertujuan untuk mengetahui tingkat pencemaran air sungai Sa’dan masih layak atau tidak untuk digunakan sebagai sumber air baku PDAM Toraja Utara dengan menggunakan peraturan pemerintah No. 82 Tahun 2001 tentang pengelolaan kualitas air dan pengendalian pencemaran air untuk mengetahui kualitas air dan pencemaran pada air sungai yang diteliti.Hasil penelitian menunjukkan bahwa kadar CODdan BODpada air Sungai Sa’dan telah melebihi ketentuan yang ditetapkan olehPeraturan pemerintah No. 82 Tahun 2001 tentang pengelolaan kualitas air dan pengendalian pencemaran air, atau dikatakan sudah tercemar.

Domestic liquid waste comes from household activities that contain pollutants that can contaminate soil and water bodies. If the waste is simply dumped into a water body without being treated first, it can pollute the surrounding environment, so the aim of the study was to determine the volume of wastewater produced and to treat the waste using filtration and adsorption methods. The research method used is descriptive quantitative method by calculating the amount of water use to get the volume of wastewater and wastewater treatment with filtration and adsorption methods. The results showed that the volume of wastewater produced was 11.14 m3/day, and the results of wastewater treatment with filtration and adsorption methods showed that several parameters had decreased, namely the BOD value of 27.38%, Total Coliform of 93.95%, and color of 75%.