, 2
1
(a) Look at Fig. 1 in the Resource Booklet.
(i) What approximate fraction of water lost from Southern Water’s Network came from Portsmouth
Water?
A 1/25
B 1/10
C 1/4
D 1/2
Write the correct letter in the box. [1]
(ii) State the reasons why Southern Water introduced a hosepipe ban in August 2022.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. ................................................................................................................................................. [2]
(b) Look at the graph below showing water supply and demand for the years 2005–2030 for
Portsmouth Water.
350
300
Water
volume
250
200
2005 2010 2015 2020 2025 2030
Year
Supply available Forecast demand
(i) Identify the year forecast demand first exceeded the supply available.
. ................................................................................................................................................. [1]
© OCR 2025
, 3
(ii) Explain why the Portsmouth area may be classed as being in ‘water stress’.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. ................................................................................................................................................. [2]
© OCR 2025 Turn over
, 4
2
(a) Look at Fig. 2a and Fig. 2b in the Resource Booklet.
(i) Describe the location of the Havant Thicket reservoir.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. ................................................................................................................................................. [2]
(ii) Suggest the possible disadvantages of building this reservoir.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. ................................................................................................................................................. [3]
(b) Look at Fig. 3 in the Resource Booklet.
(i) Calculate the distance across the reservoir between points X and Y.
........................................................................................................................................ metres [1]
© OCR 2025
1
(a) Look at Fig. 1 in the Resource Booklet.
(i) What approximate fraction of water lost from Southern Water’s Network came from Portsmouth
Water?
A 1/25
B 1/10
C 1/4
D 1/2
Write the correct letter in the box. [1]
(ii) State the reasons why Southern Water introduced a hosepipe ban in August 2022.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. ................................................................................................................................................. [2]
(b) Look at the graph below showing water supply and demand for the years 2005–2030 for
Portsmouth Water.
350
300
Water
volume
250
200
2005 2010 2015 2020 2025 2030
Year
Supply available Forecast demand
(i) Identify the year forecast demand first exceeded the supply available.
. ................................................................................................................................................. [1]
© OCR 2025
, 3
(ii) Explain why the Portsmouth area may be classed as being in ‘water stress’.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. ................................................................................................................................................. [2]
© OCR 2025 Turn over
, 4
2
(a) Look at Fig. 2a and Fig. 2b in the Resource Booklet.
(i) Describe the location of the Havant Thicket reservoir.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. ................................................................................................................................................. [2]
(ii) Suggest the possible disadvantages of building this reservoir.
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
..........................................................................................................................................................
. ................................................................................................................................................. [3]
(b) Look at Fig. 3 in the Resource Booklet.
(i) Calculate the distance across the reservoir between points X and Y.
........................................................................................................................................ metres [1]
© OCR 2025
