Fresh Water Supply Key Questions What is water demand? What are the issues with meeting this demand? How can we save water?

Fresh Water Supply

Key QuestionsWhat is water demand?

What are the issues with meeting this demand?How can we save water?

Watch the video

• What are the students doing?• Is it legal? Is it right?• Why do you think they are putting a brick in

the toilet?

Look at the maps

• For each map answer the following questions:• What does it show?• Is there a pattern (where is it one colour and

where is it another?)• How are the maps linked?

What is the situation?

Britain faces drought crisis: W

ater shortage

worst for 90 years

Eight radical solutions for the water shortageWater Shortage: Hosepipe Bans Announced

As drought hits Britain – how will water

shortage crisis affect us? Drinking treated sewage could be the answer

to the capital's water shortage, says Thames

Water

What are the causes?

• 3 minutes – come up with some possible causes for water shortages

• Population growth- The development of new housing in areas of water stress and a doubling in the number of single person households since 1971 have increased demand for water.

• Climate Change – “The worst hit region is the South East where over the past three months some parts have seen as little as 30% of their average rainfall leaving many rivers flowing at only 20% of normal for the time of year” (Daily Mail, Summer 2012)

Changing Lifestyles - An increase in the number of water-dependent appliances, more bathrooms in our homes and other factors have led to greater water use and increased demand for water.

What can we do?

• Watch the video and list all the ways that are mentioned that you can save water in your home.

• http://www.youtube.com/watch?v=J7GNTAWfXKk

What our the water suppliers doing?Why has Southern Water introduced water meters?

The South of England is one of the driest areas in the UK. It has been classified as an Area of Serious Water Stress by DEFRA (The Government Department for Environment, Food and Rural Affairs).

In 2009-2010 alone, the water industry in England and Wales leaked approximately 3.28 billion litres per day.

Drive to fix or replace old and leaky pipes – for example many in London are over 150 years old.

Solutions

Drink treated salt water Use water saving appliances – like aerator shower heads

Drink Treated SewageRecycle bath water for flushing the loo

Keep cold water in the fridge so you don’t have to let the tap run

Turn off the taps when brushing your teeth

Have a shower rather than a bath

Use a water meter to measure your usage.

Use old dish water to water the garden

Mend leaks and dripping taps Spend less time in the shower

Gardens with plants that can tolerate dry conditions

Dual flushing toilets

East SussexLocation: HeathfieldPrice: £1.75mAgent: Winkworth, 01892 519600; winkworth.co.ukYou name it, this house has it: an air-source heat pump, a rainwater harvester, central-vacuuming system, triple-glazing and motion-sensitive lighting system. It also features underfloor heating and self-closing loos. The five bedrooms are arranged over three storeys. The property comes with about 11 acres of grounds and gardens.

Task:

• To create an estate agent like leaflet aimed at selling a water conserving house.

• You should include a drawing/ photo of your house.• Description of your house (i.e how many rooms, facilities,

location, price)• Main part – how is the house designed to save water. What

things does it have that save water (i.e dry garden, clever toilets etc) and how do these things save water.

• Main Part 2 - how can the person buying the house also save water ( spend less time in the shower, turn off taps).

• Final section – why is important that we save water, especially living in the South East.

Photo Information (i.e rooms, price, location)

Why is it important to save water?

How can you save water in the house? What things does it have to help you? How can you help yourself?

Complete for Homework