Wastewater Management and Guidelines for Choosing the Appropriate Wastewater Treatment System for the Congested Community
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Abstract
This research presents a wastewater management approach that is appropriate for communities with congested areas. Four villages in the Western Region of Joho Subdistrict Administrative Organization, Nakhon Ratchasima Province, Thailand, encounter problems with wastewater collection and treatment management. Due to an insufficient drainage system, the heavy precipitation in the surrounding area causes the pain of waterlogging with untreated wastewater. This research aims to study and reform the wastewater collection and treatment system by conducting 1) a topographic survey and mapping of existing drainage pipes and gutters, and 2) a test and analysis of the quantity and quality of wastewater. The analysis revealed that two main pipes with a diameter of 1.00 m should be installed on each side of the Rattanaphithan Road to drain the water. In addition, the water catchment should be built efficiently as a watershed before the drainage system along the irrigation canals and natural canals. The wastewater quality from all four villages was found to have a high content of contaminants when compared with standard criteria for surface water in accordance with the Enhancement and Conservation of National Environmental Quality Act, B.E. 2535, Section 32. This high-water contamination was classified in category 5, which requires urgent water quality restoration. The appropriate management approach for this study site is a stabilization pond for wastewater treatment because its construction and maintenance costs are low, and the operating system is not complicated.
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