Engineers Without Borders presentation on Water for the World

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Engineers Without Borders presentation onWater
for the World
Welcome to the..
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A Quiz on Water

• How much of the human body is made up of water?
• 20
• 50
• 70
• 85
• How many people worldwide do not have access to
  clean drinking water?
• 100 million (about 1 in 50 people)
• 500 million (about 1 in 10 people)
• 1.1 billion (about 1 in 5 people)
• 3 billion (about 3 in 5 people)
• How many people die every day from diseases
  related to bad water?
• 100 1,000
• 1,000 10,000
• 10,000 100,000
• 100,000 or more

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A Quiz on Water

• 4. What volume of untreated sewage gets dumped
  into Canadas water resources each year?
• 1 hundred litres
• 1 thousand litres
• 1 million litres
• 1 trillion litres
• 5. How many people in world live off less than
  1/day?
• 1 million
• 12 million
• 120 million
• 1.2 billion
• 6. What percentage of the Earths water is
  available for drinking water?
• Less than 1
• 5
• 10
• 20

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Who Knows About the Walkerton Crisis?

• 2000 people were sick and 7 died from E.coli
  contamination

If this could happen in Canada, imagine what it
would be like to live in a developing country
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World Access to Water
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Contaminants in Drinking Water

• microorganisms

• dissolved chemicals

• particulates

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Canadian cities Where drinking water comes from
Source Water
Filtration
Coagulation
Flocculation
Sedimentation
Disinfection
Storage
Distribution
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Developing communities Where drinking water
comes from
Source Water
Women and children carry water from the well
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An important water treatment step

• Filtration!

• Water Filter Activity
• In groups, design a water filter
• Follow the instructions
• Come and get supplies
• You have 20 minutes

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How does the activity relate to the real world?
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How to get involved!

• Get informed!
• Take action!
• Conserve water
• Start a social justice club at school
• Tell us what youre doing!
• Send in your postcard
• Enter the EWB High School Essay contest

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Ryans Well

• Started an organisation to build wells in
  Africa for clean drinking water
• Hes only 14 years old
• So far, hes raised over 1,000,000