The utility model discloses a water level metering device of storage station, including first pole setting and second pole setting, all be equipped with the scale mark in first pole setting and the second pole setting, first pole setting one side is equipped with flood stage board and warning water level board, the bottom all is equipped with pressure sensor on flood stage board and the warning water level board, flood stage board and warning water level board bottom all are equipped with the baffle, all be equipped with the buoyancy bobble on the baffle, baffle bottom one side is equipped with flow tachymeter body, flow tachymeter body bottom is equipped with the sonar, base bottom intermediate position is equipped with the motor, shaft ends connects in the second pole setting, the utility model relates to a water level metering device of storage station, novel structure utilizes the buoyancy bobble to collide pressure sensor and comes monitoring and measurement water level, not only can measure the velocity of flow of water through flow tachymeter body, also can carry out the measurement of secondary water level simultaneously, has very high practicality.