Waterwise Level 2 in water efficiency advice

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Units of learning – Level 2


1. Understand how humans influence the water cycle

  • Describe the natural water cycle, in particular the links between precipitation, groundwater and surface water
  • Describe how water is taken from the environment, treated and delivered to homes
  • Describe how sewage is taken from homes, treated and returned to the environment
  • Explain the impacts of water abstraction on plants and wildlife
  • Explain how using water uses energy in the home and in the wider water supply system
  • Explain how water efficiency helps mitigate climate change and how it helps people adapt to water stress and droughts
  • State typical water usage figures for households of varying occupancy
  • Identify a range of water-using fixtures and fittings found in homes, and the contribution of each area to overall household demand

2. Understand the drivers and need for water efficiency, at household level and beyond

  • Explain current and future stresses on water supply
  • State the current and projected contribution of household water demand to overall demand for water
  • Identify and describe the roles and responsibilities of water-related national authorities
  • Explain why water companies encourage water efficiency
  • Describe what water companies are doing to tackle water supply pipe leakage
  • Explain the benefits and potential impacts of water metering
  • Explain the benefits of water efficiency (that is, reducing water wastage) to households
  • State the definition of water poverty

3. Understand water-efficient fixtures and fittings

  • Explain how fixtures and fittings influence water use
  • State how the use of retrofit changes can reduce the waste of water
  • Describe possible consequences of inappropriate retrofitting of fixtures and fittings
  • State maintenance checks that should be made to avoid water waste
  • Identify what households should look for when refurbishing toilets, taps and showers

4. Understand the use of other water efficiency measures

  • Explain the whole-house approach to water efficiency
  • Explain how individuals’ habits and actions affect water use and consumption
  • State a range of water-efficient measures that individuals can make to reduce the waste of water
  • Identify approaches that encourage efficient water-using behaviours
  • Explain when it is and is not appropriate to use rainwater or reuse water


1. Understand the basics of providing reliable advice to a variety of households

  • State the questions that should be asked before tailored advice is given
  • State the retrofit changes that should not be made in households with high and low water pressures
  • State the retrofit changes that should not be made to certain types of hot water systems and shower systems
  • State limitations to advice provision

2. Understand the value of water efficiency communication with the householder and impacts of the message

  • Describe the types of individuals that may make water efficiency changes
  • Identify why some individuals may be reluctant to make water efficiency changes
  • Identify messages that may motivate individuals to be water efficient
  • Understand common counterarguments to water efficiency and how to respond sensitively to these views

3. Understand how to advise individuals on water ef ciency changes they may be able to make

  • Explain to individuals the water efficiency measures that are generally applicable to all homes and households
  • Describe to individuals the water efficiency measures that may be suitable but which require appropriate advice
  • Explain how to tailor advice on a case-by-case basis
  • State where water efficiency products may be purchased and requested free of charge
  • State what other sources of water efficiency information are available to householders
  • Explain householders’ responsibility in ensuring water quality and compliance with Water Regulations and Byelaws

4. Understand household water charges and water effciency savings

  • Inform individuals of ways of paying for water
  • Identify when an unmetered household may be better off on a meter
  • Describe how to read a water meter
  • Explain to individuals how to record their water use and work out costs using reference materials
  • Explain how water efficiency may impact on a water bill and on energy bills, and state typical financial savings
  • State who households should turn to if they are experiencing difficulty paying their water bills


Please contact Waterwise at for online Waterwise Training costs per person for Level 2 only or Level 2 and Level 3.

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