The AFB provides technical coordination of the information system on water, aquatic environments and public water and sanitation services. Along with its partners and territorial services, it designs and implements observation and evaluation systems for terrestrial, marine and aquatic environments and their uses. It is also responsible for the technical coordination of the biodiversity information system, including the Water Information System (WIS), the Nature and Landscape Information System, and the Marine Water Information System. It ensures their consistency and works to promote sharing and dissemination of data and indicators, particularly via the information services Eaufrance and Naturefrance.