Book excerpt: This book contains up-to-date information and findings in research on the evaluation, treatment, reusability, and development of wastewater in India. The book covers the assessment for drinking water, including membrane filtration, supervision, and evaluation of wastewater, environmental pollution control, wastewater treatment and recycling, advanced bioremediation techniques and wastewater's impact on India. With this wide range of treatment and technologies of wastewater, this book is a source of invaluable information to guide Indian policy planners and makers to move forward to achieve the Sustainable Development Goal 6.