1. Introduction -- 2. Dynamics of interactions involving water -- 3. Water quality -- 4. Augmentation and conservation of water resources -- 5. Wastewater reuse systems -- 6. Use of water in agriculture -- 7. Industrial and municipal uses of water -- 8. Water pollution -- 9. Economics and management of water supplies -- 10. Etiology of diseases arising from toxic elements in drinking water -- 11. Climate change impacts on water resources management -- 12. Paradigms of water resources management.