Environmental impact analysis of wastewater from Keudah slaughterhouse in Banda Aceh City

Abstract

This study aimed to analyze the wastewater impact of Keudah Slaughterhouse in Banda Aceh City based on six parameters: pH, total suspended solids (TSS), biochemical oxygen demand (BOD), chemical oxygen demand (COD), ammonia, and oil and grease content. Furthermore, the analysis results were measured against wastewater quality standards regulated by the Regulation of the Minister of Environment and Forestry number 5, 2014. This study uses a quantitative descriptive approach that aims to describe the characteristics of wastewater impact based on the determined physical and chemical parameters. To increase data representativeness and control for natural variations that may occur over time, the sampling design was arranged based on a Completely Randomized Block Design, with sampling days as groups. Three different groups of days were randomly selected and on each day three wastewater samples were taken at the outlet point of Keudah Slaughterhouse. The results of this study showed that the COD level with an average value of approximately 277.19 mg/l exceeded the quality standard limit of 200 mg/l. Meanwhile, pH, TSS, BOD, ammonia, and oil and grease did not exceed the quality standard threshold. High COD levels in wastewater indicate high organic matter content and a suboptimal wastewater treatment installation system. The application of anaerobic biofilter systems combined with planted gravel filter technology is suggested as a potential strategy to reduce COD concentrations effectively. Overall, the findings highlight the need for improved wastewater management practices to minimize environmental pollution and promote sustainable resource management.