Water Level Management Flood Protection Sustaining the Environment Welcome to the Water Management Consortium website The Water Management Consortium comprises Lindsey Marsh Drainage Board Isle of Axholme and North Nottinghamshire Water Level Management Board Trent Valley Internal Drainage Board ISLE OF AXHOLME AND NORTH NOTTINGHAMSHIRE WATER LEVEL MANAGEMENT BOARD LINDSEY MARSH DRAINAGE BOARD TRENT VALLEY INTERNAL DRAINAGE BOARD