Ipswich Water Efficiency Trial Project (2010)

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This report summarises the project and presents the findings from Anglian Water’s Ipswich Water Efficiency trial. Householders were offered a free water audit together with the supply and fitting of free water saving devices as appropriate to their houses. Water-saving devices were installed in 552 properties and behaviour change measures were applied in another 47 properties. Households reduced water consumption by 41.5 litres/property/day, equating to 14.2% of their total demand. These were largely achieved through retrofitting toilets with a dual flush device and using shower flow regulators or replacement showerheads.

Executive Summary

Enhanced metering projects provide a prime opportunity for water efficiency work to be undertaken. The benefits include:

  • Incentives to save water and reduce customers’ water bills
  • Accelerated rate of take up of measured charges by metered customers
  • A good opportunity to engage with customers and promote water efficiency
  • Earlier benefits to Anglian Waters supply / demand balance situation by managing demand through metering and water efficiency
  • Regulatory benefits to help Anglian Water meet its water efficiency targets

Anglian Water’s Ipswich Water Efficiency trial has led the way in bringing together metering and water efficiency. This report summarises the project and presents the findings from the trial.

Good water savings equating to 41.5 litres/property/day or 14.2% of total household demand have been achieved. These were largely achieved through retrofitting toilets with a dual flush device and using shower flow regulators or replacement shower heads.

A questionnaire was included in the trial and the results are presented in this report.

This trial paves the way forward for future work linking enhanced metering to water efficiency work in the Anglian Water region.