PROBLEM TO BE SOLVED: To provide a water supply tank that has a structure that can restrain washing water from scattering in a simple configuration after a water supply tube is detached.SOLUTION: A water supply tank can store liquid, and comprises: a tank part that includes an opening at an upper part a cap part that can open/close the opening a tubular water supply pipe that connects the inside and the outside of the tank part so as to be capable of supplying/receiving the liquid and in which two end faces serve as supplying/receiving ports a grip part that is provided at an outside end part of the water supply pipe so as to surround the water supply pipe and at least one magnet that is provided between an outer peripheral part of the water supply pipe and an outer peripheral part of the grip part.COPYRIGHT: (C)2015,JPO&INPIT【課題】簡易な構成で、送水用チューブを取り外した後の洗浄水の散逸を抑制できる構造を有する送水タンクを提供する。【解決手段】液体を貯蔵可能な送水タンクであって、上部に開口を有するタンク部と、開口を開閉可能なキャップ部と、タンク部の内側と外側とを液体を送受可能に接続し、二つの端面が液体の送受口となったチューブ状の送水管路と、送水管路の外側の端部に、送水管路を囲むように設けられた把持部と、送水管路の外周部と把持部の外周部との間に設けられた少なくとも一つの磁石と、を備える。【選択図】図5