EPTB Seine Grands Lacs
EPTB Seine Grands Lacs is a public territorial basin institution created in 1969 under the name of Institution interdépartementale des barrages-réservoirs du bassin de la Seine. Grouping together the departments of the former Seine, its mission is to reduce the winter and spring floods of the Seine and its main tributaries (the Yonne, Marne and Aube) and to support their summer and autumn flows.