Hydrogeological water level observer

The utility model relates to the technical field of water level observation, in particular to a hydrogeological water level observer which comprises a pipe body, a water level probe and a ring body, the pipe body is arranged inside the ring body, the detection end of the water level probe extends to the outside, a positioning ring is installed in the middle of the water level probe, and the top face of the positioning ring abuts against the bottom face of the pipe body. Clamping plates for clamping a water level probe and a wire are arranged on the left and the right in the pipe body, a plurality of groups of fixing parts are mounted on the outer ring surface of the ring body, each group of fixing parts consists of two fixing plates, a supporting rod is arranged between the fixing plates, and a roller is mounted at one end, far away from the ring body, of each supporting rod. The water level probe is simple in structure, the ring body and the pipe body can move downwards along the inner wall of the observatio