This publication is focused on the Ethics of the Uses of Freshwater. It is centered in the ethics of the use of the fresh water as a human being common good. The publication promotes the transparency and the respect to nine fundamental principles: human dignity, participation, solidarity, equality, common good, stewardship, transparency and universal access to information, inclusiveness and enpowerment. Through 5 examples, this volume tries to respond to the fundamental necessity to promote new respectful ethical practices of the human rights and liberties as well as justice in the management of the hydric resources in an interdependent world. The central subjects of these ethical practices are: human dignity, autonomy of the communities and cultural diversity.