This research work is a part of the research project of BOBLME (Bay of Bengal Large Marine Ecosystem). In this research, three sea water samples around the Kyaikkhami areas were collected. Collections of samples were made nine times during the period September, 2011 to November, 2014 and samples were collected seasonally and annually. The aim of this research is to study the sea water quality around the Kyaikkhami coastal areas, to identify the pollution hotspots and to determine the remedial

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... rategies. In this research, three sea water samples around the Kyaikkhami areas were collected, the sampling location were (16 2.416'N, 97  33.443'E - 16  2.216'N, 97  33.343'E - 16  2.236'N, 97  33.043'E )for sea water samples A, B and C, respectively. The spectrophotometric method based on formation of the blue bismuth-phosphomolybdate complex (BiPMo) was used for the determination of phosphate in the sea water samples. According to the result, the orthophosphate values of all the samples analyzed did not have much variation and were between 0.023 ppm and 0.156 ppm. The highest value of total nitrogen (1.980 ppm) was found in rainy, 2014. The seasonal variation in this studied area was very large. This may be due to the nutrient inputs to aquatic ecosystem, especially agricultural wastes.