The online Journal is Open Access and it is published four times per year (March, June, September and December). Each number presents: 4/6 scientific papers or technical report in English and/or Italian; technical and historical invited news column (legislation, hydrogeophisics, hydrogeochemistry, modeling, etc.); technical notes on drilling techniques and water wells. The journal accepts original papers (peer reviewed), technical reports (peer reviewed), technical notes (not peer reviewed). Submitted papers undergo a double blind review and the Editors in Chief guarantee a short-time response on the editorial decision (60 days) since the date of receipt. Publication of accepted contributions is free of charge.