This book contributes many aspects of environmental, social and sustainability issues including water security, water quality, safe drinking water and potable water, salty water, water stress and scarcity in the coastal areas of Bangladesh, social inequalities and how the coastal community especial women trying to get rid and adapting them with the situation. This book includes several sections including introduction, background, objectives, previous literatures regarding the salty water and coastal communities, methodology of the information collection and analysis. Results section discusses in different sub sections including responses of the responses of the coastal community for water, drink water sources and dilemma, community views on safely managed drinking water, water sources, availability of drinking water in different seasons, quality of drinking water and their contamination, filtering process of salty water, community health issues due to lack of safe drinking water and climate change impacts on water resources and drinking water. In the discussion section, it discusses the issues of drinking water status, drinking water sources in the coastal study area.