Through the different committees and working groups, the EWA provides a forum for discussion and exchange of knowledge and experience between national experts on the European level.

The Working Groups are active under the auspices of EWA's The European Technical & Scientific Committee (ETSC) which provides a focal point for communication and co-operation between European practitioners and researchers.

 Chairman: Bojan Zmaic , Croatia

EWA Working Groups are active in the following areas: