Wally the Water Molecule

Wally the Water Molecule
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  • Hi! My name is Wally and I am a water molecule. Today I am on my way to be cleaned so I can go to Huron Park for all of the students to enjoy!
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  • At first, I may contain: - E. Coli - Coliform - Other Bacteria, viruses, and parasites - Dirt All of these things can make you sick so that's why we have a filtering system to make sure that does not happen.
  • Before I come out of the taps, I have to be filtered and purified so that I don't make anyone sick. This all starts when I get sucked into the filtration centre through a pipe.
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  • As I enter the filtration plant I go through a screening process to get rid of debris, large objects, and anything else big enough to be caught by the filter.
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  • Chlorine is then added to kill small microorganisms that are in me.
  • Alum is also added which causes small particles like silt to clump and form floc.
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  • I then travel to a settling basin where the floc goes to the bottom and leaves the water on top. The cleaner water that is at the top is sent to filtering basins.
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  • Sand
  • Any other biological impurities such as bacteria is filtered out here Sand- Filters out any remaining floc, algae, and silt. Carbon- Removes taste and odour.
  • : )
  • Carbon or Anthracite
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  • Gravel
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