Water Quality Deterioration of Jinjang River, Kuala Lumpur : Urban Risk Case Water Pollution

Azman, Azid and Muhammad Barzani, Gasim and Mohd Ekhwan, Toriman (2014) Water Quality Deterioration of Jinjang River, Kuala Lumpur : Urban Risk Case Water Pollution. The Arab World Geographer, 16 (4). pp. 349-362. ISSN 1480-6800

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Abstract

Jinjang River is a branch of the Klang River, which today suffers from a decline in water quality resulting from agricultural and development activities. A study on the water quality of Jinjang River was conducted in both June and October 2011.The purposes of the study were to determine the water quality of Jinjang River based on physicochemical and biological parameters and to classify the Jinjang River based on National Water Quality Standards (NWQS) and the Water Quality Index (WQI). A total of five sampling stations were selected along the river; two stations (S1 and S2) represented the upstream region and another three stations (S3, S4, and S5) represented the downstream region of the river. Fourteen water-quality parameters were selected. As a result of the analysis, Jinjang River was categorized as a slightly polluted river (WQI) and was classified as Class III. The result, compared with the NWQS, showed that most of the water-quality parameters studied ranged from Class I to Class IV, except for biological parameters (Escherichia coli), which were classified as Class V. This indicates that the river was extremely contaminated with fecal coliform bacteria(E. coli).

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