Check out Water Tank Opencast Mines 3D model on CGTrader for $350. High-quality mesh by Asset-World: 181970 polys, 194787 vertices. PBR, Textured, UV Mapped.
OBJ (OBJ, filesize: 230 MB), TEXTURES (Textures, filesize: 195 MB), MA (Autodesk Maya, filesize: 451 MB), FBX (Autodesk FBX, filesize: 467 MB)