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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.

FalseOnly about 0.8% of theEarth’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.

TrueTurning 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.

FalseA 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

Item Cost

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)

www.thameswater.co.uk

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!