1. 1. WHAT FACTORS EFFECT WATER QUALITY? 2. WHY DO YOU THINK DRINKING WATER IS TREATED BEFORE YOU DRINK IT? Bell Ringer

2. Water To Drink

3. Measurement of those substances in water other than water molecules Water Quality

4. Responsible for developing water-quality standards EPA

5. Amount of one substance in a certain volume of another substance Concentration

6. The combined level of two minerals, calcium and magnesium, in a sample of water Hardness

7. Contains lower levels of calcium and magnesium Soft water

8. Process of passing water through a series of screens that allow the water through, but not larger, solid particles. Filtration

9. Septic systems and wastewater treatment plants Sewer System

10. Class work Complete the Graphic Organizer on water treatment process Please bring in pond water for Wednesday’s Lab!