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Kajian Pencemaran Lingkungan Perairan Sungai Selor Akibat Pembuangan Limbah Domestik di Tanjung Selor Kabupaten Bulungan Kalimantan Utara
Kahardiansyah
Kahardiansyah
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Abstract
Selor River Waters have a very important role for the community of society in Tanjung Selor to fulfill their daily needs (drinking, bathing and washing). Various activities of the community around the Selor River indicate the decrease of water quality that cause pollution of the river waters environment. The aims of this research are: (1) to study the variation of community activities and its waste characteristics; (2) to calculate pollution load and environmental pollution index; and (3) to formulate an environmental management strategy on Selor river waters. This research used survey method as a technique of data collection, which emphasize purposive sampling technique. Water quality data was measured with physical, chemical and bacteriological parameters. Samples of wastewater was taken from 4 different point locations and river waters was taken upstream to downstream of the river that had mixed with domestic wastewater. Social data was obtained from interview result using the questionnaire. The result of this research showed that the source of pollutions in Selor river waters came from domestic activities from households, hotels, hospitals, public habits of using water, wastewater management and waste disposal habits. Some water parameters such as TSS (Total Suspended Solid), BOD, COD, Ammonia, E-coli and Total Coliform showed that Selor River waters have exceeded from the quality standard of the river waters. Various domestic activities from upstream to downstream of the Selor River provide a high pollution load on water quality. The highest pollution load was the total coliform parameter of 906.63 kg/day, while E coli of 203.78 kg / day, TSS (Total Suspended Solid) of 26.31 kg / day, COD (Chemical Oxygen Demand) of 10.07 kg / day, BOD (Biochemical Oxygen Demand) of 5.052 kg / day and ammonia of 0.064 kg / day. Based on the result by analysis of pollution index, it can be concluded that Selor river waters was categorized as lightly polluted. Environmental management strategies emphasize on liquid waste management by making centralized or communal networks with technological approaches, community empowerment and institutional approaches involving all stakeholders.
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2018
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