Assessment of Water Quality in Downstream Watershed for The Realization of Integrated Coastal Zone Management

Ujianti, Rizky Muliani Dwi and ANDROVA, ALTHESA (2022) Assessment of Water Quality in Downstream Watershed for The Realization of Integrated Coastal Zone Management. In: Conference on Education and Technology (ICETECH 2021), Madiun, Indonesia.

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Abstract

Watersheds, especially downstream areas, are very important areas for the life of aquatic ecosystems. This downstream area is a coastal area which is a transitional area between land and ocean ecosystems. Several previous studies have shown that this area is polluted from industrial waste and domestic waste. Research sampling was conducted in the downstream watershed, Semarang Indonesia. Garang watershed is located in Semarang Regency as the upstream area and Semarang City as the downstream area. Sampling was carried out according to the regulation of the Governor of Central Java Indonesia 156/2010. This sampling was carried out in segment 7. Segment 7 according to their designation of Garang watershed which are settlements, estuaries, fisheries and loading and unloading ports. Water sampling in the downstream watershed. Samples for water quality analysis were taken in the downstream area of the river which is a coastal area. The results of the water quality analysis are compared with Government Regulation 82/2001. The results showed that the concentration of TDS, Copper and Chromium exceeded the quality standard. One of the analyzes used in the implementation of the ICZM is water quality, this is used for the maintenance of the downstream watershed area.

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