Printed from: https://conservationhandbooks.com/waterways-wetlands/ditches-and-pipes/ditching-and-drainage-procedures/
Hydrological surveys can be carried out by professional surveyors, to identify soil characteristics, water supply and other factors, in order to develop a ‘water budget’ for the site. Models can be drawn up to produce precise information on spacing of ditches, pipes, sluices and so on, to produce particular desired heights of water table. For...