ECH Keynote at 2019 IAH Congress by Stefano Viaroli (Italy)
IAH book exchange at 2019 IAH Congress in Malaga (Spain)
ECHN Social Function at 2019 IAH Congress in Malaga (Spain)
ECHN Social Function at 2018 IAH Congress in Daejeon (Korea)


The Early Career Hydrogeologists’ Network (ECHN) is an official network of the International Association of Hydrogeologists (IAH) providing a forum for hydrogeologists at the start of their professional or academic careers.


World Water Day 2022 – Making the invisible visible

22nd of March is UN World Water Day, this year dedicated to groundwater, under the theme “making the invisible visible”. We need to remember how precious this hidden resource is, for all the inhabitants of the Earth.

ECHN wishes to share some thoughts on the importance of groundwater in all its facets. If you wish to contribute, send a picture from your own country and a message or statement to We’ll share them on our social media throughout the year.


‘ECHs in Action’ Photo Gallery

Share with us your ‘Hydrogeology In Action Moment’, the best photos will be published here. Send us by email to with a short description, location and the photo author’s name.
Visit the ‘ECHs In Action’ Photo Gallery!