**Natural Background Levels in Groundwater**

Editors

**Elisabetta Preziosi Marco Rotiroti M. Teresa Condesso de Melo Klaus Hinsby**

MDPI ' Basel ' Beijing ' Wuhan ' Barcelona ' Belgrade ' Manchester ' Tokyo ' Cluj ' Tianjin

*Editors* Elisabetta Preziosi Water Research Institute Consiglio Nazionale delle Ricerche Monterotondo (Rome) Italy

Marco Rotiroti DISAT - Department of Earth and Environmental Sciences University of Milano-Bicocca Milano Italy

M. Teresa Condesso de Melo CERIS - Instituto Superior Tecnico ´ Universidade de Lisboa Lisboa Portugal

Klaus Hinsby Department of Hydrology Geological Survey of Denmark and Greenland Copenhagen Denmark

*Editorial Office* MDPI St. Alban-Anlage 66 4052 Basel, Switzerland

This is a reprint of articles from the Special Issue published online in the open access journal *Water* (ISSN 2073-4441) (available at: www.mdpi.com/journal/water/special issues/Background Levels Groundwater).

For citation purposes, cite each article independently as indicated on the article page online and as indicated below:

LastName, A.A.; LastName, B.B.; LastName, C.C. Article Title. *Journal Name* **Year**, *Volume Number*, Page Range.

**ISBN 978-3-0365-3724-5 (Hbk) ISBN 978-3-0365-3723-8 (PDF)**

© 2022 by the authors. Articles in this book are Open Access and distributed under the Creative Commons Attribution (CC BY) license, which allows users to download, copy and build upon published articles, as long as the author and publisher are properly credited, which ensures maximum dissemination and a wider impact of our publications.

The book as a whole is distributed by MDPI under the terms and conditions of the Creative Commons license CC BY-NC-ND.
