Abstract: The subject of invention is a stoppered discharge, which is developed for use in reservoirs and able to work with various water volumes, comprises mechanical parts shown as a discharge bearing (1), a sealing gasket (2), a lantern (3), a discharge tube (4), a pull arm (5), a discharge bearing support (8), a Styrofoam clip (9), a Styrofoam (10), a segment (11), a discharge gasket (12), a Styrofoam lower plate (13), a pull arm connection part (16). Stoppered discharge system (A) provides or prevents water flow depending on up-and-down movement of pull arm connection part (16).