The dam of Dongtang Reservoir is a rockfill dam with asphaltum concrete core, the hight of the dam is 46 m, and the width of the core is 0.5m.

• 洞塘水库枢纽工程设计坝高 46m；为沥青混凝土心墙石渣坝 ；心墙厚度为 0 .；5m。