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Actual pollution load control strategy for physical-chemical parameters in the coastal waters of Yos Sudarso Bay Jayapura City

Walukow Auldry F., Sukarta I Nyoman, Triwiyono, Lumbu Albert, Sastrawidana I Dewa Ketut, Wiratma I Gusti Lanang

Ecological Engineering & Environmental Technology

2025

Vol. 26, iss. 2

252--263

The waters of the Youtefa Bay Nature Tourism Park have been heavily polluted with a STORET value of -99. This research aims to: analyze the existing conditions of water quality and analyze the pollution index in the waters of Yos Sudarso Bay. The location of this research is Yos Sudarso Bay, Jayapura City. The sampling points were three locations, namely Village Kayu Pulo, Taman Mesran Area, and in front of the Swiss Bell Hotel. To determine the water quality status of Yos Sudarso Bay, the STORET method and pollution index (PI) method are used. The research results show that the actual pollution load is higher than the maximum pollution load, this shows that Yos Sudarso Bay has been polluted by the parameters detergent, phenol, NH3-N, phosphate, and TSS. The strategy model for controlling the pollution load is the implementation of land use regulations, increasing community knowledge, implementation of community income regulations, increasing coordination between OPDs, and using environmentally friendly fishing gear.

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

Walukow Auldry F., Triwiyono, Lumbu Albert, Gultom Monika, Sukarta I. Nyoman

Journal of Ecological Engineering

2023

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.