Clean Water

123456789
Across
  1. 3. the process before the water enters the purification plant
  2. 5. to remove impurities
  3. 7. When clumps of impurities in a liquid settle
  4. 8. a chemical used to clean water
  5. 9. Cause water-born diseases in water
Down
  1. 1. plant Where water is cleaned before being supplied to residence
  2. 2. a process of removing larger particles from water
  3. 4. type of pollutants that can be removed using a filter
  4. 6. the place where water is held before it comes through pipes to our homes