Water Case Studies

Question 1

Where is Lesotho located?

Answer 1

A country entirely surrounded by South Africa.

Question 2

How does Lesotho carry out water transfer to South Africa?

Answer 2

By 200km*3 of tunnels and the Polihali Dam.

Question 3

How can you conserve water?

Answer 3

Recycling water,
groundwater management
and using grey water.

Question 4

Why is there a growing demand for water in the UK?

Answer 4

There is a growing population,
more houses are being built
so there is an increase of water-intensive domestic appliances.

Question 5

What is the largest reservoir in the UK?

Answer 5

Kielder Water.

Question 6

What are 2 functions of Kielder Water?
1.
2.

Answer 6

1. Makes up for water abstraction downstream.
2. Generates electricity.

Question 7

How long is the Kielder Water’s reservoir and how many years did it take to fill.

Answer 7

The 10km reservoir took 2 years to fill.

Question 8

Where does Kielder Water’s water reach to?

Answer 8

London reservoirs via Newark.

Question 9

What are the 3 reasons people disagree with reservoir development?

Answer 9

Believes it can destroy habitats.

Visually intrusive.

Increased risk of flooding to a flood-prone area.

Question 10

What is one environmental cost of water transfer schemes?

Answer 10

Greenhouse gases released in pumping water over long distances.

Question 11

How does the Environment Agency regulate water quality in the UK in 3 ways?
1.
2.
3.

Answer 11

Reducing recreational use of water sources.

Adding chlorine.

Filtering water to remove sediment.

Question 12

What are 2 factors leading to the deterioration of ground-water sources?

Answer 12

1. Discharge from industrial sites.
2. Run-off of chemical fertilisers from farming.