Onema

...Onema acts as the "ways and means" agency in that it stimulates public research, sets priorities for research on water and ecosystems, build partnership with research organizations...
Onema produces tools to diagnose, manage and restore aquatic environments

A central part of the mission lies in gathering information on the status of water bodies in France for reports to the European commission and in assisting in setting priorities for water-management policies...
Onema provides functional management of the national Water Information System ...

Onema provides State services with technical opinions on requests for use and authorisations in the framework of water-policing activities... For surface waters, rivers and wetlands, agency personnel carry out inspections in the field to enforce regulations on usage of water and aquatic environments.

To ensure that ecological issues are better taken into account in the territorial implementation of water policies...

Onema assists in restoration operations for aquatic environments around the country...