Abstract
Pesanggrahan River has important role and function to support human life and ecosystem existing in river area. Daily human activities that utilize river water and then dispose the sewage/waste into Pesanggrahan River can decrease the air quality. This research aims to analyzed the water quality condition of Pesanggrahan River based on physical and chemical water river factors. The analysis was conducted on eight observation points along the Pesanggrahan River in DKI Jakarta Province by testing the air pollution parameters comparing it to the air quality standard of Governmental Regulation No. 82/2001 on Air Quality Management and Air Pollution Control for Class II and Jakarta Governor Regulation No. 582/1995 on the Establishment of the Allocation and Quality Standards of River Water/Raw Water Agency of Liquid Waste Quality Standard in the Special Capital Region of Jakarta for Group C. The parameters observed in this study are 18 and 6 overall physical parameters (temperature and TSS) and parameters chemical (pH, DO, BOD, and COD). Determination of water quality status using pollution index method compared with air quality standard Governmental Regulation No. 82/2001 class II and Jakarta Governor Regulation No. 582/1995 Group C. The air quality condition of Pesanggrahan River from upstream to downstream at eight points of observation has generally decreased quality according to parameters of TSS, DO, BOD and COD which were not fulfill the quality standard. Based on the status of water quality status of Pesanggrahan River from upstream to downstream has decreased quality with mild to moderate pollutant status.
Highlights
Pencemaran dapat terjadi dimana-mana, termasuk di air
function to support human life and ecosystem existing in river area
The analysis was conducted on eight observation points along the Pesanggrahan River
Summary
Pencemaran dapat terjadi dimana-mana, termasuk di air. Pencemaran pada perairan sebagai dampak dari adanya kegiatan pembangunan dapat juga terjadi pada sumber-sumber air. Terkait hal tersebut maka pencemaran sungai sebagai salah satu sumber air dapat terjadi pada sungai-sungai, terutama yang melintasi kota-kota besar. Contohnya Sungai Ciliwung dari hulu ke hilir dan pencemaran tersebut meningkat secara signifikan di bagian hilir, yakni di wilayah DKI Jakarta (Widhiasari dan Moersidik, 2010). Tanah kosong yang berbentuk lahan terbuka juga akan menyebabkan tingginya parameter TSS dalam air, keseluruhan kegiatan tersebut menyebabkan terjadinya penurunan kualitas air Sungai Pesanggrahan. Perubahan kegiatan dan perubahan tataguna lahan di sekitar Sungai Pesanggrahan dari waktu ke waktu cukup signifikan, sehingga diduga akan terjadi perubahan kualitas air secara gradual (dari waktu ke waktu).
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