Leakage information request 2017-22 – supporting guidance
| Date | 28 April 2022 |
April 2022
Leakage information request 2017-22
– supporting guidance
Leakage information request 2017-22 – supporting guidance
1
About this document
This document accompanies a leakage information request that will collect additional
leakage data from incumbent water and wastewater companies for the 2017-22 period.
Companies were signposted to the information request in Information notice 22/01
Expectations for monopoly company annual performance reporting 2021-22. Companies have
collaborated in the development of these data requirements, to support more granular and
consistent reporting across the industry, through the cost assessment working group and a
recent project to improve leakage data reporting.
This document provides guidance for companies when completing the information request.
The information provided will help to inform our approach to assessing company proposals in
water resource management plans and PR24 business plans. This will allow us to assess the
efficient costs of leakage management and to understand the effectiveness of leakage
management strategies adopted by companies.
Deadline for completing the leakage information request
Completed leakage information requests and accompanying commentary should be
submitted by Monday 15 August 2022.
We ask companies to provide accompanying commentary alongside the completed
data request, which sets out:
•The approach/methodology taken to complete each table and any assumptions that have
been applied. The guidance highlights lines where provision of explanatory commentary
is expected.
•An indication of the level of confidence behind the data provided in each table (e.g., RAG
ratings).
Please email the completed data request and any accompanying commentary to
CostAssessment@ofwat.gov.uk.
If you have any issues with completing the data request by this date or wish to discuss any
aspect of the data request, please contact us using the same email address.
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