Multilayer underground water level observing structure

The utility model discloses a multilayer underground water level observing structure which comprises a drilled hole extending underground. A plurality of observing tubes corresponding to a plurality of layers of underground water-bearing stratum in a one-to-one mode are longitudinally arranged in the drilled hole, the observing tubes are distributed in a stair mode, mesh areas corresponding to the corresponding water-bearing stratums are arranged at the tube walls of the bottoms of the observing tubes, rubble layers are arranged between the mesh areas of the observing tubes and the hole wall of the drilled hole, and chucks are arranged at the tops of the rubble layers. Viscous soil layers corresponding to water-resisting layers are arranged at the tops of the chucks, the top of the viscous soil layer corresponding to the shallowest observing tube is aligned at the ground, the top and the bottom of another viscous soil layer are each aligned at the bottom of the upper water-bearing stratum and the top of the lower water-bearing stratum, and other viscous soil layers are each connected with the rubble layers corresponding to the upper water-bearing stratums. The multilayer underground water level observing structure has the advantages of being convenient to operate, effectively achieving the multilayer underground water level space distribution characteristics and being widely applied to the field of hydrogeology and engineering geologic investigation.