 The Arkansas Delta is a subregion of the Mississippi Alluvial Plain, which is a flat area consisting of rich, fertile sediment deposits from the Mississippi River between Louisiana and Illinois.The White River Lowlands contain swamps and forests, in contrast to southern portions of Prairie County within the Grand Prairie, a subdivision of the Arkansas Delta known today for rice farming and aquaculture.According to the United States Census Bureau, the city has a total area of , of which is land and 0.49% is water.