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Conceptual Model of Water Pollution Control Strategies in the Lower Sentani Watershed Post Flash Flood Using the Swot Method

100%

Walukow A. F. , Triwiyono , Sukarta I. N.

tom Vol. 23, iss. 3

120--129

The problem that occurs downstream of the Jembatan Dua river is that it has been polluted by the parameters of BOD, COD and PO4 with the results of the measurements being 3 mg/L, 37 mg/L, and 0.3 mg/L, respectively. This study aims to analyze the conceptual model of pollution control strategies in the downstream Sentani watershed. The method used in this research is the SWOT (Strength, Weakness, Opportunities, Threats) method with four SWOT strategies, namely SO (Strength-Opportunities), WT (Weakness-Threats), and WO (Weakness-Opportunities). The results showed that the pollution load of TDS and TSS continued to increase from 2016-2019. The conceptual model of the strategy for controlling water pollution in the downstream Sentani watershed is the SO (strength-opportunities) strategy with coordinates (0.26; 0.18). This SO strategy needs to be implemented in the short term, namely: utilizing internal strengths to capture external opportunities. SO strategies include: Increasing environmental law enforcement, increasing leadership commitment and the role of government institutions in handling pollution and mainstreaming sustainable development, and making the lake an ecotourism area by keeping the lake unpolluted.

Policy Priority Model for Management of Lake Sentani Waters Degradation After Flash Floods Using the A'WOTMIC Method

88%

Walukow A. F. , Triwiyono , Lumbu A. , Gultom M. , Sukarta I. N.

tom Vol. 24, nr 6

239--248

Most of the pollution levels of Lake Sentani waters in the Expo watershed (92%) have been mildly and moderately polluted, while only a small proportion (8%) still meet quality standards. The condition of the level of heavy pollution will be dangerous for the life of living things, especially fish and have an impact on humans. This study aims to analyze the priorities of the Sentani Lake pollution management policy in the strength-opportunity (SO), strength-threat (ST), weakness-opportunity (WO), and weakness-threat (WT) strategies with the A'WOT method. The results showed that the policy priorities that first needed to be implemented immediately in the SO strategy were to Improve Enforcement of Environmental Law with an eigen value of 0.196. The priority of the policy strategy that first needs to be immediately implemented in the WO strategy is to make regional regulations by utilizing Government and community support with an eigen value of 0.267. The first policy priority that needs to be immediately implemented in the ST strategy is to use government authority in the environment to control environmental pollution and damage with an eigenvalue of 0.494. The first policy priority needs to be immediately implemented in the WT strategy is to improve environmental law enforcement so that lake water is not polluted with an eigen value of 0.202.