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Abstrak :
Situ Rawa Kalong dimanfaatkan oleh masyarakat sekitar untuk budidaya ikan, kegiatan memancing dan tempat rekreasi. Situ tersebut dikelilingi oleh empat buah pabrik (kap lampu, minuman kemasan, kosmetik, plastik) dan pemukiman penduduk sehingga rentan terkena cemaran organik dan anorganik yang berdampak pada organisme perairan, khususnya fitoplankton. Penelitian ini bertujuan untuk mengetahui diversitas fitoplankton serta mengetahui status mutu dan kualitas perairan di Situ Rawa Kalong melalui metode Storet dan perhitungan indeks diversitas fitoplankton dari Shannon-Wiener. Pengamatan dilakukan pada bulan Oktober 2020. Pengambilan sampel fitoplankton dilakukan secara horizontal. Fitoplankton yang ditemukan selama pengamatan yakni divisi dari Bacillariophyta, Chlorophyta, Cyanophyta dan Euglenophyta. Berdasarkan hasil metode Storet, perairan Situ Rawa Kalong memiliki status mutu air kelas D dengan skor (-46) – (-48). Nilai tersebut tergolong buruk dan menunjukkan bahwa kualitas perairan di Situ Rawa Kalong mengalami pencemaran berat dengan nilai indeks diversitas berkisar antara 0,46 – 0,48 yang menunjukan komunitas tidak stabil dan terdapat jenis yang mendominasi. Jenis fitoplankton yang mendominasi adalah Chlorella sp. dan Microcystis sp. ......Situ Rawa Kalong is used by the local community for fish farming, fishing activities and recreation areas. The Situ is surrounded by four factories (lampshade, drinking water, cosmetic, plastic) and residential areas, making it susceptible to organic and inorganic contamination which affects aquatic organisms, especially phytoplankton. This study aims to find out the diversity of phytoplankton related to the status and water quality in Situ Rawa Kalong using Storet method and calculation of Shannon-Wiener phytoplankton diversity index. Observations were made in October 2020. Phytoplankton sampling was carried out horizontally. The phytoplankton found during the observation were divisions of Bacillariophyta, Chlorophyta, Cyanophyta and Euglenophyta. Based on the results of the Storet method, water quality in Situ Rawa Kalong has been classified as D water quality status with a score of (-46) – (-48). These value is poor and indicates that the water quality in Situ Rawa Kalong is heavily polluted with a diversity index value ranging from 0,46 to 0,48 showing an unstable community and existence of dominant species. The dominant species of phytoplankton are Chlorella sp. and Microcystis sp.

Abstrak :
ABSTRAK
Penelitian ini dilaksanakan dikarenakan adanya permasalahan tidak dipatuhinya baku mutu pH air asam tambang oleh PT. X. Penelitian ini dilakukan dengan menggunakan pendekatan evaluasi kinerja pengelolaan air asam tambang PT. X di Kalimantan Tengah, pengukuran kualitas air keluaran tambang dengan uji Storet, dan wawancara mendalam kepada masyarakat pemanfaat perairan. Hasil penelitian ini menunjukkan komponen pembentuk air asam tambang berupa batuan Potentially Acid Forming PAF diketahui sebesar 50 terdapat pada tambang PT. X dan sudah dikelola dengan baik melalui meminimasi sumber air asam tambang dengan penanganan bahan PAF atau Non Acid Forming NAF secara selektif, pengendalian migrasi air asam tambang, dan pengolahan air asam tambang. Kualitas air keluaran tambang pada titik pantau SP-HJ-03 termasuk dalam status kualitas air A atau dalam kondisi baik sekali, sedangkan kualitas air keluaran tambang pada titik pantau SP-HJ-04 termasuk dalam status kualitas air B atau dalam kondisi baik. Gatal-gatal yang diderita pada 44 responden hanya 3 keluhan yang tercatat secara resmi di Puskesmas Desa Tumbang Bauh , diduga bukan diakibatkan oleh air keluaran tambang PT. X. Kata Kunci Key Words : kesehatan kulit; pengelolaan air asam tambang; pertambangan batubara; Potentially Acid Forming PAF ; Storet.

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ABSTRACT
Abstract This research conducted due to the problem of non compliance of water quality standard pH of acid mine drainage by PT. X. This research conducted by using performance evaluation approach of acid mine drainage management of PT. X in Central Kalimantan, measuring the quality of mine water effluent by Storet test, and in depth interviews to the water users around the mine site. The results showed that the acid mine drainage components is Potentially Acid Forming PAF rocks was found 50 in the PT. X and is well managed by minimizing acid mine water sources by selectively handling of PAF or Non Acid Forming NAF materials, controlling acid mine drainage migration, and acid mine drainage treatment. The water quality effluent of SP HJ 03 monitoring point is A status meaning that the water quality is in excellent condition and compliaded with the water quality standards, while the water quality effluent of SP HJ 04 monitoring point is B status which means the water quality is in good condition and in the category of mild contamination. Skin health issues of 44 respondents only 3 of complaints are officially recorded at Tumbang Bauh Village Health Center possibly not caused by acid mine water of PT. X. Keywords acid mine drainage management, coal mining, Potentially Acid Forming PAF , skin health issues, Storet test.

Abstrak :
Zonasi kualitas airtanah pada wilayah utara Cekungan Airtanah Jakarta dilakukan untuk mengetahui zona kualitas airtanah yang layak bagi keperluan higiene sanitasi berupa kebersihan perorang, meliputi keperluan mandi, sikat gigi, keperluan cuci bahan pangan, peralatan makan, pakaian, dan kakus, serta dapat digunakan sebagai air baku untuk air minum. Penilaian kelayakan kualitas airtanah ini berfokus pada parameter fisika dan kimia airtanah di akuifer tidak tertekan menggunakan metode STORET dengan nilai kadar maksimum yang digunakan berdasarkan standar baku mutu menurut Peraturan Menteri Kesehatan No. 32 Tahun 2017. Penelitian ini juga memetakan muka airtanah berdasarkan pengukuran muka airtanah, serta menganalisis jenis air, persebaran ion utama, kontrol kandungan airtanah, dan fasies airtanah yang kemudian mengintegrasikan kaitan antara tiap aspek analisis yang telah dilakukan. Berdasarkan pengukuran muka airtanah, diketahui pada wilayah utara Cekungan Airtanah Jakarta memiliki kontur muka airtanah yang berkisar antara <0 – 21 mdpl. Sedangkan zona kualitas airtanah berdasarkan hasil penilaian dengan metode STORET didapat empat status mutu air diantaranya “Memenuhi Standar”, “Cemar Ringan”, “Cemar Sedang”, dan “Cemar Berat” di mana diketahui pada status mutu air yang menunjukkan status cemar umumnya didominasi oleh unsur Mangan (Mn), Besi (Fe), Nitrat (NO3), TDS, Nitrit (NO2), dan Kesadahan yang melebihi kadar maksimum menurut Peraturan Menteri Kesehatan No. 32 Tahun 2017. Wilayah dengan status mutu air “Memenuhi Standar” dan “Cemar Ringan” yaitu wilayah selatan dan barat pada wilayah penelitian memiliki kualitas airtanah dengan kategori baik sekali hingga baik, sehingga wilayah ini menjadi wilayah yang direkomenasikan sebagai wilayah aman konsumsi untuk keperluan higiene sanitasi bagi masyarakat. ......The zoning of groundwater quality in the northern area of the Jakarta Groundwater Basin is carried out to determine the appropriate groundwater quality zone for sanitation hygiene needs in the form of personal hygiene, including bathing, toothbrushing, washing food, eating utensils, clothes, and latrines, and can be used as water, raw water for drinking. This groundwater quality feasibility assessment focuses on the physical and chemical parameters of groundwater in unconfined aquifers using the STORET method with the maximum grade value used based on quality standards according to the Regulation of the Minister of Health no. 32 of 2017. This study also maps the groundwater level based on groundwater level measurements, and analyzes water types, distribution of main ions, kontrol of groundwater content, and groundwater facies which then integrates the relationship between each aspect of the analysis that has been carried out. Based on groundwater level measurements, it is known that the northern area of the Jakarta Groundwater Basin has a groundwater level contour that ranges from <0 – 21 masl with an area that covers the northern area of the Jakarta Groundwater Basin. While the groundwater quality zone based on the results of the assessment using the STORET method obtained four water quality statuses including "Meeting Standards", "Light Polluted", "Medium Polluted", and "Heavy Polluted" where it is known that the water quality status indicates the polluted status is generally dominated by the elements Manganese (Mn), Iron (Fe), Nitrate (NO3), TDS, Nitrite (NO2), and Hardness which exceeds the maximum level according to the Regulation of the Minister of Health No. 32 of 2017. Areas with water quality status "Meet Standards" and "Lightly Polluted" namely the southern and western regions of the research area have groundwater quality in the very good to good category, so this area is recommended as a safe area for consumption for hygiene sanitation purposes for the community.

Abstrak :
Daerah Aliran Ci Leungsi merupakan salah satu DAS di Provinsi Jawa Barat. Daerah Aliran Ci Leungsi merupakan salah satu sungai yang masuk dalam program kali bersih BPLHD Jawa Barat dikarenakan kondisi sungai yang sudah tercemar. Penggunaan tanah yang beragam di Daerah Aliran Sungai menyebabkan terganggunya keseimbangan kimia air sungai sehingga menyebabkan pencemaran kualitas air. Penelitian ini bertujuan untuk mengetahui apakah penggunaan tanah di Daerah Aliran Sungai mempengaruhi kualitas air Ci Leungsi. Analisis secara kuantitatif-deskriptif digunakan untuk menjawab tujuan peneltian ini. Hasil penelitian menunjukkan bahwa penggunaan tanah permukiman mempengaruhi konsentrasi kimia berupa nitrat, amonia, deterjen serta minyak dan lemak. Pertanian tanah basah dan tanah kering mempengaruhi konsentrasi nitrat dan amonia. Hasil perhitungan metode Storage and Retrieval (STORET) didapatkan bahwa dari bagian hulu sampai tengah daerah aliran sungai termasuk kategori cemar sedang, sementara di bagian hilir termasuk cemar berat. ...... Ci Leungsi watershed is one of the watershed are located in the Province of West Java. Ci Leungsi watershed is one of the rivers that enter the clean river program by BPLHD of West Java due to the condition of the river that has been polluted. Diverse land use in the watershed causes disruption of the chemical balance of the water of the river, causing pollution of water quality. This study aims to determine whether the use of the land along the watershed affects water quality of Ci Leungsi. Quantitative-descriptive analysis will be used to answer the purpose of the present study. The results showed that the use of land in the form of settlements affected the concentration of chemicals in the form of nitrate, ammonia, detergent and oil and grease, while agricultural land wet and dry soil affects the concentration of nitrate and ammonia. The results of STORET method of calculation showed that from the upstream to the middle of the watershed in the category of pollutants being while at the downstream entrance heavy polluted.