Water pollution

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Across
  1. 2. Water that is suitable for consumption
  2. 4. An underground layer that stores water below the
  3. 6. Water found underground in the spaces between soil and rocks
  4. 7. Dirty water which is produced in kitchens, bathrooms, et
  5. 11. Water that flows off a field or paved area
  6. 12. The process of cleaning polluted water
Down
  1. 1. Waste water transported in sewers
  2. 3. The surrounding land area that drains into a water
  3. 5. One of India's most polluted rivers
  4. 8. Rain with a higher than normal acid range
  5. 9. Discharge of liquid waste from a factory
  6. 10. Solid material that is being transported by water