This new edition emphasizes water resource utilization and its protection, and cover topics such as water sources, water hydraulics, chemistry, biology/microbiology, ecology, water quality, pollution, biomonitoring, sampling, testing, reuse, and treatment. It examines sustainability and the impact of human use, misuse, and reuse of freshwater and wastewater on the overall water supply. It provides expanded coverage of wastewater stabilization ponds, as well as new problems, tables, and figures throughout. It contains the insight all water/wastewater practitioners need and includes important information for policymakers as well.