PROBLEM TO BE SOLVED: To enable an irrigation water usage fee owed by a farmer to be appropriately set in relation to irrigation water management work.SOLUTION: An irrigation water management device comprises: a water volume acquisition section which acquires a detection value with respect to a volume of water running through a water tap installed in a manner that supplies irrigation water to an agricultural field an irrigation water information management section which allows a storage section to store an irrigation water usage volume on the basis of the acquired detection value in association with a farmer who owns the agricultural field with the water tap installed thereto as irrigation water management information and a water usage fee processing section which calculates an irrigation water usage fee owed by the farmer on the basis of at least the irrigation water management information as an accounting data process for the irrigation water usage fee.SELECTED DRAWING: Figure 6COPYRIGHT: (C)2017,JPO&INPIT【課題】圃場の用水管理業務に関連して圃場主が支払う料金を適切に設定できるようにする。【解決手段】用水を圃場に供給するように設けられる給水栓に流れる水量についての検出値を取得する水量取得部と、取得された前記検出値に基づく用水利用量を前記給水栓が備えられる圃場の圃場主に対応付けて用水管理情報として記憶部に記憶させる用水管理情報管理部と、用水利用料金に対応する処理として少なくとも前記用水管理情報に基づいて圃場主の用水利用料金を算出する料金対応処理部とを備えて用水管理装置を構成する。【選択図】図6
