The map shows the layout of the drainage system with four main drainage pipes at the the field with controlled drainage. The green dots indicates where the main drain pipes lead the drain water into the open drainage channel. The regulatin wells as well as the monitoring equiment is placed near to this. The charts shows the flow of drain water (In Danish: Drænafstrømning), precipitation (In Danish: Nedbør), and water table level (In Danish: Vandstand under terræn). 1 mm per day = 10 m3 water per ha per day.