 Because of the differences in density, the discharged fresh water floated on top of the salt water of the sea and spread along the coast.Over time, the two would mix to become normal sea water once more.According to Valsad District Collector D Rawal the reason for the water in Gujarat tasting less salty than usual was that because of the monsoon, two rivers Auranga and Banki were in spate and were flowing into the sea in the region.