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Waters Quality Analysis of Lumpue Beach, Karajae River and Parepare Bay
Sirajuddin H.
Aip Conference Proceedings
Abstract
The research aims to analyze the seawater quality and determine pollution index based on physic-chemical parameters in Lumpue Beach Water, Karajae River and Parepare Bay and know the distribution of metal elements in the floor sediment of the Karajae River and seafloor sediment of the Parepare Bay. Field data was obtained across thirteen research stations, while seawater sampling and seafloor sediment sampling were carried out each other in three research stations in September 2019. The results were compared with water quality for harbor waters, marine tourism and marine biota based on the South Sulawesi Governor Regulation No 69 of 2010, while the results of seafloor sediment analysis are related to the main elements of sediment present in nature. The results showed that the parameters according to the quality standards are water transparency, temperature, total ammonia (NH3N), phosphate (PO4-P) and sulphide (H2S), while those that have exceeded the quality standards are Biological Oxygen Demand (BOD5), nitrate (NO3-N) and pH. Based on the calculation of pollution index indicates that the Lumpue Beach Water was in good condition category for harbor waters, light pollution category for marine tourism and marine biota at ST 3 Tonrangeng, and also medium pollution category for marine tourism and marine biota at ST 7 Karajae River and ST 10 Parepare Bay, while the distribution of the elements in Karajae River and Parepare Bay are divided into metal, semi-metal and non-metal elements. The dominance of the main element from land in Karajae River and Parepare Bay can be indicated that the pollution of the area come from land. Zn is one of the elements contained in the seafloor sediment, classified as heavy metal elements with highly toxic and has passed the marine sediment quality standard according to the South Sulawesi Governor Regulation No 69 of 2010.