The current structures were built between 1862 and 1872. The green ones, located on the navigable network, are the property of the DDE monitoring the river level and the blue ones belong to the wet marsh unions governing the adjacent networks (rills and conches). Two water body heights are defined for each reach (part of a river between two locks and ensuring the maintenance of a sufficient water line for navigation), i.e. an upper water level threshold for the rainy seasons and lower for the hot season. They thus make it possible to reconcile public (inland shipping) and private (agriculture) interests. In 2013, the public river domain was transferred to the Interdepartmental Institution of the Sèvre Niortaise Basin. Located on the old towpath, the Sotterie dam-lock, classified as a fishing reserve, was restored in 2006.