Analysis of river water quality and pollution control strategies in the upper Citarum River

Abstract

Utilization of the Citarum River varies greatly from household needs, agriculture, livestock to the industrial sector. However, these activities caused pollution along the Citarum River. This research’s main objective is to evaluate the quality of surface water in the upstream Citarum River based on Government Regulation No. 82 of 2001 and its pollution control recommendations. The observed river study area was 80 km long. River water quality is measured and observed at 8 sampling points. Analysis of water quality was carried out using the Pollution Index (IP) method. Meanwhile, the formulation of the pollution control strategy used SWOT analysis. Based on field measurements for parameters BOD, COD, and DO in the upstream segment of the Citarum River have exceeded the quality standard for class II Regulation No. 82 of 2001 in almost all sampling locations. Meanwhile, the IP value results at all sampling locations were in the range of 1.23-5.8 or in mild to moderate polluted status. Recommendations given to control water pollution are increasing monitoring of wastewater disposal into rivers, carrying out an inventory and identifying water pollution sources, and determining the carrying capacity of pollution loads.