The Flemish Environmental Society plays a crucial role in integrated water policy. It measures and controls the quantity and quality of water, manages water systems, collects a levy on water pollution and on groundwater extraction, advises on environmental permits and provides planning and supervision of treatment infrastructure. The VMM fulfills the role of regulator for tap water.
Furthermore, the VMM monitors air quality, inventories who is discharging what and makes policy proposals. It also prepares the Flanders Environmental Report (MIRA).