An electrolyzed water generation device comprising: an electrolytic chamber to which water to be electrolyzed is supplied; a first power feeder and a second power feeder disposed facing each other in the electrolytic chamber; and a membrane arranged between the first power feeder and the second power feeder and dividing the electrolytic chamber into a first polar chamber on a side of the first power feeder and a second polar chamber on a side of the second power feeder, characterized in that the electrolyzed water generation device further comprises: a first flow passage delivering electrolyzed water generated in one of the first polar chamber and the second polar chamber to a first water discharge port; a second flow passage delivering electrolyzed water generated in another one of the first polar chamber and the second polar chamber to a second water discharge port; a flow passage switching valve switching connections of the first polar chamber and the second polar chamber to the first flow passage and the second flow passage; a polarity switching unit configured for switching polarities of the first power feeder and the second power feeder; a current detection unit configured for detecting a current to be supplied to the first power feeder and the second power feeder; a storage unit configured for storing a switching interval for the polarity switching unit and the flow passage switching valve; and a switching control unit configured for switching the polarity and the flow passage switching valve based on the switching interval, wherein the switching control unit is further configured to change the switching interval stored in the storage unit based on the current. an electrolytic chamber to which water to be electrolyzed is supplied; a first power feeder and a second power feeder disposed facing each other in the electrolytic chamber; and a membrane arranged between the first power feeder and the second power feeder and dividing the electrolytic chamber into a first polar chamber on a side of the first power feeder and a second polar chamber on a side of the second power feeder, characterized in that the electrolyzed water generation device further comprises: a first flow passage delivering electrolyzed water generated in one of the first polar chamber and the second polar chamber to a first water discharge port; a second flow passage delivering electrolyzed water generated in another one of the first polar chamber and the second polar chamber to a second water discharge port; a flow passage switching valve switching connections of the first polar chamber and the second polar chamber to the first flow passage and the second flow passage; a polarity switching unit configured for switching polarities of the first power feeder and the second power feeder; a current detection unit configured for detecting a current to be supplied to the first power feeder and the second power feeder; a storage unit configured for storing a switching interval for the polarity switching unit and the flow passage switching valve; and a switching control unit configured for switching the polarity and the flow passage switching valve based on the switching interval, wherein the switching control unit is further configured to change the switching interval stored in the storage unit based on the current. a first flow passage delivering electrolyzed water generated in one of the first polar chamber and the second polar chamber to a first water discharge port; a second flow passage delivering electrolyzed water generated in another one of the first polar chamber and the second polar chamber to a second water discharge port; a flow passage switching valve switching connections of the first polar chamber and the second polar chamber to the first flow passage and the second flow passage; a polarity switching unit configured for switching polarities of the first power feeder and the second power feeder; a current detection unit configured for detecting a current to be supplied to the first power feeder and the second power feeder; a storage unit configured for storing a switching interval for the polarity switching unit and the flow passage switching valve; and a switching control unit configured for switching the polarity and the flow passage switching valve based on the switching interval, wherein the switching control unit is further configured to change the switching interval stored in the storage unit based on the current.