This manual on Integrated Water Resources Management (IWRM) provides reading material covering wide range of issues in IWRM from an interdisciplinary perspective. The manual unfolds into ten modules: (1) Introduction to Integrated Water Resources Management, (2) Gender in Integrated Water Resources Management, (3) Water and Equity, (4) Economic and Financial Aspects of Integrated Water Resources Management, (5) Water and Ecosystems, (6) Water Supply, Sanitation and Health, (7) Sewage and Waste Water Management, (8) River Basin Planning and Management, (9) Water Rights and Laws and (10) Water Policy, Regulations and Governance. This compendium is an attempt to lend researchers, trainers, field practitioners and students in the field of water management a helping hand.