An endoscope cleaning/disinfecting apparatus 1 has a cleaning tank 8 in which an endoscope is disposed, a chemical tank 13 that stores a chemical solution, a water supply connecting portion 14 that is connectable to a water service pipe, an endoscope cleaning/disinfecting section 1A having a first conduit that connects the cleaning tank 8 and the chemical tank 13, and a second conduit that connects the cleaning tank 8 and the water supply connecting portion 14, an operation panel 7 that is a water information input section to which hardness information of water that is supplied from the water service pipe is inputted, a memory 61 that is a history information retaining section that retains contact of water and the chemical solution to the endoscope cleaning/disinfecting section 1A as cleaning history information, and a control section 52 that is a determination section that determines necessity or nonnecessity of scale removal of the endoscope cleaning/disinfecting section 1A based on the hardness information and the cleaning history information.本発明に係る内視鏡洗浄消毒装置1は、内視鏡を配置する洗浄槽8、薬液を貯留する薬液タンク13、水道管に接続可能な水道接続部14、洗浄槽8と薬液タンク13とを接続する第1管路、および、洗浄槽8と水道接続部14とを接続する第2管路、を有する内視鏡洗浄消毒部1A、水道管から供給される水の硬度情報を入力する水情報入力部である操作パネル7、内視鏡洗浄消毒部1Aに対する水および薬液の接触を洗浄履歴情報として保持する履歴情報保持部であるメモリ61、ならびに、硬度情報および洗浄履歴情報に基づいて内視鏡洗浄消毒部1Aのスケール除去の要否を判断する判断部である制御部52、を有する。
