Table of Contents

Preface; Chemical Interaction between Groundwater and Surface Waters; Biological Remediation Using Wetland Systems: A Hydro-Geochemical Perspective; Impact of Groundwater Pollution-Quality on Regional Economics: A Case Study in the Arab Region; Groundwater Modeling and Its Concepts, Classifications, and Applications for Solute Transport Simulation in Saturated Porous Media; Assessing the Microbiological Quality of Potable Groundwater from Selected Protected and Unprotected Wells in Murehwa District, Zimbabwe; 36Cl Contribution for Dating Groundwaters from the Guarani Aquifer System; Geospatial Techniques in Hydrogeochemistry by Intersecting the Layers and Statistical Analysis, Mashhad, Iran; A Comparative Hydrochemical Study of Bottled Mineral Waters; Physicochemical Assessment of Groundwater Quality in a Semiarid Part of North East Nigeria; Impact on Water Resources by Hydraulic Fracking Associated with Coalbed Methane Production; The Environmental State of Freshwater Resources in Man-Made Lakes of Serbia; Hydrogeochemistry of Circum-Neutral Mine Waters in the Anglès Old Mining Area, North Eastern Spain; Evaluation of Natural Water Quality in the Jungar Basin in Central Asia and Its Implications on Regional Water Resource Management; Evolution and Characteristics of Natural Waters under Arid Climate in Northern Tianshan Mountains, Central Asia; Index.