European sponge projects and measures

Welcome to S.P.O.N.G.E.

An online guide to projects and measures improving the natural water retention capacity of landscapes across Europe.

About S.P.O.N.G.E.

This pan-European database provides a portal to sponge projects and measures from existing water retention databases.

As a navigation guide, it brings together data from across Europe and offers a geographical overview of projects and measures that improve the S.P.O.N.G.E. capacity of landscapes.

Ready to explore the guide?

Navigate the European sponge project database through an interactive map. Discover projects, explore the measures they apply, and reveal patterns through dynamic charts.

Preview of the S.P.O.N.G.E. navigation guide

Data sources

The guide brings together information from several existing databases and initiatives. Click a source to read more and open the original database.