| 總結: | Nowadays, pollution has become a major concern in developed and developing countries. In a study on the current state of Segamat River water quality; on-site data collection and observation and also laboratory data analysis have been implemented. Studies showed that the downstream of the Segamat River has recorded a significant reduction in quality of water during the dry season compared to the wet season. The deterioration of water quality is caused by the activities along the river such as palm oil plantation, municipal waste and waste from settlements. It was also recorded that the point sources were dominating the pollution at Segamat River during the dry season. However, during the wet season, the water quality was impaired by the non-point sources which originated from the upstream of the river. © 2018 Published under licence by IOP Publishing Ltd.
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