Following the dike breach, a large volume of water from Dongting Lake rushed into the Tuanzhou dike region, flooding 47.6 square kilometers of the region's total area of 55 sq km.

堤坝决堤导致洞庭湖的大量湖水涌入团洲垸，淹没了该地区的47.6平方公里，其总面积约为55平方千米。