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Available Reports: 813

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Published 22/05/2021

Integrating UKCP18 with UKWIR tools and guidance: Review of existing methods (21/CL/04/19)

This project has systematically reviewed UKWIR methods and tools in the context of climate change following the Met Office’s recent release of the latest UK climate change projections (UKCP18). This review has particularly focussed on water resources and drainage and has taken into account current usage, industry needs into the future and the potential impact of adopting the new UKCP18 projections. As part of this, comparisons between the range of UKCP18 products with those available under UKCP09 are presented and, given the broad similarities between the projected impacts, recommended that urgent action in relation to submitted plans was not required. The study’s prioritised recommendations for updates to methods and tools has also considered other ongoing complimentary research and industry studies and has identified key research gaps for the future, recognising that the water industry methods are undergoing significant evolution at this time.

ISBN: 978-1-84057-917-8

Published 28/04/2021

Improved Understanding of current and future household consumption (21/WR/01/17)

The UKWIR project ‘Improving Understanding of Household Consumption’ collated and analysed water metering data to explore patterns in demand for water. The project used innovative data analysis methods to separate measurements of individual household use into ten weekday and ten weekend profiles. These were then interpreted with reference to environmental and socio-economic factors and their influence on customer behaviour. Changes to patterns of water demand through time were also explored. The project report included:

  • Detail of the processes applied for data collection and management, the methodology used to partition households into ‘clusters’ and the results of the data interpretation.
  • Guidance for water companies and other organisations on the implementation of the methods presented, including supporting information on which methods to use and practical guidance.
  • Recommendations for the development of a longitudinal study of household data, to ensure that data collected in future are suitable for data analysis.

ISBN: 978-1-84057-916-1

Published 21/04/2021

Surface water drainage from new developments (21/SW/01/21)

The study assessed current practice of drainage design of the use of SuDS and the SuDS standards for developments draining to sewers. The water industry is concerned that best practice is not being applied and that more appropriate criteria might be needed to maximise the benefits of SuDS on sites which are typically small redevelopments.

 The project report provides:

- the historical context of the criteria required in the SuDS standards;

- a review of the experience and opinions of local planners across the UK;

- evaluated a number of SuDS for their use of SuDS;

- culminating in suggestions for revisions to some of the criteria in the SuDS standards.

A second stage then investigated the widespread use of SuDS on a verified model for a typical town, both current and proposed criteria, which showed the considerable benefits that SuDS might offer in meeting the objectives of BQ6.


ISBN: 978-1-84057-915-4

Published 30/03/2021

Assessing the effectiveness of the regulatory framework (21/RG/05/56)

Frontier Economics was commissioned by UKWIR to identify the priorities of its members for future improvements to economic regulation, and to define scopes of work for future projects to explore these further. To achieve these objectives, Frontier Economics held  interviews with individual water companies to identify their strategic priorities for the future, hosted workshops with all water companies to discuss options and ran a discussion forum with water companies and stakeholders.

Drawing on these discussions, Frontier Economics developed the following scopes of work for future deep dive projects. 

  • How could the regulatory framework better reflect and incentivise long-term investment?
  • How should customers’ and stakeholders’ views be used in regulatory decisions?
  • How can the assessment of risk and reward be enhanced to better articulate the actual risks borne by companies and the calculations be made more consistent across the industry?

This report details these discussions and presents the deep dive scopes.

ISBN: 978-1-84057-914-7

Published 08/03/2021

Environmental Assessments for Water Resources Planning (21/WR/02/15)

There have been some significant developments in relation to environmental assessment of WRMPs and drought plans since UKWIR published guidance for practitioners in 2012. Ricardo have undertaken a review and update of the 2012 Guidance, including updated guidance on SEA and HRA as well as new guidance covering WFD compliance assessments and ecosystem services and natural capital accounting. The guidance relates to regional water resource plans as well as individual water company plans.

The updated guidance facilitates a smooth and efficient process of proportionate environmental assessment that supports decision making and consistency with relevant legislation.

ISBN: 978-1-84057-913-0