Filtering device for underground water detection

The utility model relates to the technical field of underground water detection, and discloses a filtering device for underground water detection, which comprises a filtering container, a filter screen is mounted in the filtering container, a water inlet pipe is fixedly communicated with the filtering container, an opening is formed in the top surface of the filtering container, and a top cover is assembled in the opening. A driving assembly and a cleaning assembly which are matched for use are arranged in the filtering container, the cleaning assembly comprises a cleaning rod driven by the driving assembly, a plurality of cleaning rods are fixed to the outer surface of the cleaning rod, the cleaning rods are arranged above the filtering net, and the filtering net is cleaned and dredged when the cleaning rods rotate; and a rolling assembly is arranged at one end of the cleaning rod. When the underground water filter is used, impurities and pollutants in underground water can be effectively filtered, and the i