Water supply points

Lock Eefde, lock Aadorp, pumping station Ankersmit (Deventer). Through these points, in times of drought, areas can be watered from the Main System. In Overijssel, the source for this is mainly the IJssel. The main transport route is via the Twente Canal.埃夫德船闸（Lock Eefde）、阿多普船闸（Lock Aadorp）以及安克史密斯泵站（代芬特尔）。上述水利节点可在干旱时节通过主系统（Main System）为相关区域补水。在上艾瑟尔省（Overijssel），此类补水作业的主要水源为艾瑟尔河（IJssel）。主要运输通道为特温特运河（Twente Canal）。