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Water quality analysis is prime important to understand the wealth of living organism and environmental condition in water bodies. In GIS, ordinary Kriging interpolation method has been applied for surface analysis of water quality parameters such as temperature, salinity, pH, chlorophyll-a (Chl-a) and suspend sediment (SS), to carried comparison analysis between monsoon and summer season in lagoon at Vedaranyam wetland. Kriging is an approach to mapping the water quality parameters for analyzing the dispersion patterns. The results of the spatial distribution analysis has been indicated in lagoon around salt pan and aquaculture area have high saline condition reach about 36 parts per thousand (ppt) and in monsoon seasons suspended sediment reach maximum due to river runoff in the study area.