This new and updated DVD is fun-to-watch and answers your recurring water questions. Some of the questions are: Where does my water come from? What exactly does treated water mean? How safe is my water? How do water towers work?. What are workers doing when they open fire hydrants? What is causing the cloudy water? How much water does a typical family use? What is the story on bottled water? And more! (Replace ISBN 9781583216405)