Water Efficiency Database

Welcome to our resources search page. Please use the drop down menu to find recent Waterwise research and reports. This website also hosts the Water Efficiency Evidence Database, which is a repository of key research reports and paid for by UK water companies to support research and innovation.

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Water Neutrality – Discussion paper (2008)

This discussion paper developed by Waterwise explores the concept of water neutrality. The concept, which emerged in 2002, is less well-known than carbon neutrality. Both concepts are compared to identify their evolution, objectives, key features and terminological challenges surrounding them.

For the full article click here.

Greenhouse gas emissions of water supply and demand management options (2008)

This project by the Environment Agency examines differences in CO2 emissions associated with a variety of options for supplying and using water more efficiently. Based on a newly developed methodology, the study assesses new water supply options, working with an existing water supply network, plus methods and products to reduce and manage households’ water demand. It reveals that 89 % of CO2 emissions in the water supply system are caused by domestic water use, whereas public water supply and treatment account for 11 %. It concludes that simple demand management measures, particularly those which reduce hot water use, can have significant potential to reduce energy and CO2 emissions.

For the full article click here.

H2Eco Phase II (2009)

This report evaluates the project H2eco by Essex & Suffolk Water. It is the second in this series of water efficiency studies focusing on the installation of water-saving devices within domestic properties of Chelmsford, central Essex. Following an initial mailing of 7238 customers, audits were carried out for 1439 properties. The follow-up questionnaires found that more than 97% of respondents were happy with the amount of information provided in the workbook. Among the products, the miracle tap and children’s pack were considered to be most successful.

For the full article click here.

ESW H2eco (2008)

This report evaluates the project H2eco by Essex & Suffolk Water. It is the first in this series of water efficiency studies focusing on the installation of water-saving devices within domestic properties of Chelmsford, central Essex. Participants were equally divided into two focus groups of metered and unmetered households. A total of 17 customers attended the focus groups, for which they received a £40 incentive. Reasons for participation included free equipment, environmental concerns (e.g. saving water), and to reduce bills.

For the full article click here.

Reducing Water Wastage in the UK Annual Report 2007

Annual report on the activities of Waterwise and our partners, supporters and stakeholders

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Promoting Behavioural Change in Household Water Consumption (2007)

This literature review prepared for Smart Water summarises the principal theories relating to behavioural change relevant to water conservation in residential situations. It considers the application of the theories to actual behaviour change relating to conservation patterns and discusses examples from studies relating to the environmental sector. The policies and targets set by the government provide a base on which to examine techniques and tools available to encourage residential water users to conserve water and change their behavioural patterns. Specific studies on water saving in residential situations in Australia and elsewhere help to determine effective means of influencing conservation of water in Victoria.

For the full article click here.

Excellence in Metering (2007)

This report provides recommendations on achieving excellence in utility metering. In general, the report is guided by three fundamental perspectives: 1) utility metering is a critical component of data driven sustainability initiatives, 2) increased awareness amongst the university community (either through billing and/or public data displays) will reduce energy and water use on campus; and 3) providing higher resolution data to the utilities staff will enable better identification of inefficiencies, malfunctions, energy/water waste, and opportunities for savings.

For the full article click here.

Leakage Management Technologies (2007)

In this EPA and AwwaRF report on Leakage Management Technologies, technologies are discussed and trialled in North America. Researchers reviewed proactive leakage management technologies used internationally, with focus on the United Kingdom. The assessment phase identified the most promising leakage management technologies for pilot testing in North America. This report provides guidelines and tools on how to successfully apply the selected leakage management technologies based upon the pilot test results.

For the full article click here.

Water and Energy Efficient Showers Project Report (2007)

This report summarises the findings of an interdisciplinary study, which examined the factors influencing water use of domestic showering. Sponsored by United Utilities, it analysed the physical performance of 20 showerheads or flow restrictors through laboratory work, customer experiences associated with installations of water-saving devices in 18 homes, and water-related energy use through a comparison of shower and bath tube performance. The findings were used to identify and reinforce potential strategies to encourage efficient use of water and energy of showers in homes.

For the full article click here.

Water efficiency in the south east of England retrofitting existing homes (2007)

This study commissioned by the Environment Agency explores effective ways of increasing water efficiency in existing homes in South East England, building on findings of an earlier study. Following a pre-selection process, five demand management measures were analysed in-depth. Results indicate that average incremental social costs of retrofitting water efficiency measures compare favourably with the costs of traditional resource development schemes. The highest water savings would spring from a combination of different measures. The study also highlights that water savings increase significantly with only a small increase in cost if full subsidies and free installation are provided as part of the ‘package’.

For the full article click here.
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