Your Turn
D.4 pg 6 Water 9
Municipal Water Treatment
1. Explain why we clean water.
2. Define the italicized words on page 69-72.
3. Where does pre-cleaning take place?
4. What is the major goal of waste water treatment ?
5. Sketch a diagram of a municipal water purification.
6. List possible undesirable materials that might be removed before "used",
water is returned to rivers and streams.
7. Refer to the map on age 3 for each site list at least two undesirable
materials that may have caused the fish kill.
8. Sketch a diagram of a municipal sewage treatment plant.
Questions? Comments??