Welcome! Water Water affects us all... Access to water.

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Presentation transcript:

Welcome!

Water

Water affects us all...

Access to water

Team Quiz

Write down a few words describing this scene

True or False? 10% of the Earth’s water is drinkable.

If the average Briton had to carry home all their water in 2 litre bottles, how many would they have to fetch per day? A) 4 bottles B) 20 bottles C) 75 bottles D) 90 bottles E) 175 bottles

True or False? A dripping tap wastes about 15 litres of water per day.

How much water does it take to flush a toilet installed in the last 5 years? A) 3 litres B) 6 litres C) 9 litres D) 15 litres

True or False? The average washing machine uses about 20 litres of water per load of laundry.

Write down a few words describing this scene

Quiz Answers

Write down a few words describing this scene

True or False? 10% of the Earth’s water is drinkable.

False Only about 0.8% of the Earth’s water is suitable for drinking.

A) 4 bottles B) 20 bottles C) 75 bottles D) 90 bottles E) 175 bottles C) 75 bottles If the average Briton had to carry home all their water in 2 litre bottles, how many would they have to fetch per day?

True or False? A dripping tap wastes about 15 litres of water per day.

True Turning off or fixing a dripping tap saves about 15 litres of water every day.

A) 3 litres B) 6 litres C) 9 litres D) 15 litres B) 6 litres How much water does it take to flush a toilet installed in the last 5 years?

True or False? The average washing machine uses about 20 litres of water per load of laundry.

False A typical washing machine uses closer to 50 litres of water per load.

Write down a few words describing this scene

Water for Everyone

Where does the water we use come from?

Lakes, rivers, etc.

Rain

Groundwater

Artificial reservoirs

What outlets do we take our water from?

The tap

Bottled

Wells

Public taps

What links the natural source to the outlet?

Infrastructure

A clean water supply is crucial for everyone

How do we get a clean supply?

We must decontaminate the water.

What things can contaminate water?

Dirt and particulates

Parasites, bacteria, viruses

Poisons

How can we remove these contaminants?

Chemical purification

Boiling

Filtering

Building a Filter

ItemCost Activated charcoal£30 per cup Gravel, coarse£5 per cup Gravel, fine£5 per cup Sand, coarse£10 per cup Sand, fine£10 per cup Cheesecloth£2 per square Rubber band£2 each Cotton£1 per ball

What can you do?

Turn off the tap while brushing your teeth

Install a “hippo” (Thames Water)

Take showers instead of baths

Use only what you need when making a cup of tea...

Wash fruits and vegetables in a bowl of water

This presentation was made by EWB-UK and ARUP

Thank you!