IB ESS SL 4.2.6 Domestic Water Conservation Questions

Evaluate household and community strategies for conserving water.

Syllabus
First assessment 2026
Course
ESS SL
Level
SL

Exam points

  • identify domestic water-conservation measures such as efficient appliances, leak reduction, metering, pricing, education and grey-water use
  • explain how household behaviour, technology and government incentives reduce freshwater demand
  • evaluate domestic conservation strategies by weighing effectiveness, equity, cost, acceptability and unintended effects

IB ESS SL 4.2.6 Domestic Water Conservation Questions question 1

[Maximum number: 2]
Dam storage, urban and agricultural water use, and rainfall in the Western Cape, 2014-2018

Figure:Dam storage, urban and agricultural water use, and rainfall in the Western Cape, 2014-2018

Outline two strategies that may have been used to reduce urban water use, as shown in Figure: Dam storage, urban and agricultural water use, and rainfall in the Western Cape, 2014-2018.

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