The SYMSAGEB is the water management organization in Boulogne area. Created in 2002, the SYMSAGEB conducts the Scheme of Development and Water Management (SAGE) Boulogne. We bring together water stakeholders to make sure all their projects are compatible with one another. Our other role is to make projects to reduce flooding. We raise awareness of the municipalities about SUDS, advise and assist them in their projects regarding rain water management as well as their sewer systems.