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Water Quality: the challenge of distributing water via ageing pipes

8th March 2018, Birmingham Repertory Theatre

Water quality in the UK regulated water sector is some of the highest in the world, with more than 99.96% (England 2016, Water UK) delivered at or above compliance levels. But with ageing infrastructure and a vast structure of pipework to deliver through, the challenges to network operators to maintain such high levels of service as water passes through ageing pipework have never been greater.

The conference will focus on the challenges and share practice on:

  • Network water chemistry – how problems can manifest inside the network
  • Water discolouration – best practice for prevention
  • Customer perception and dealing with water quality events
  • Latest developments in network water quality monitoring and management
  • First hand experience from water companies and regulators


Chair:  Bob Stear, Deputy Chief Engineer, Severn Trent            

The Challenge of Managing Quality Risk & Resilience in Water Networks
Jon Wadley,  Hydrosave UK

EU Public Survey on Quality of Drinking Water Quality
Joachim Schellekens, Ecorys


Water quality management in the distribution network – calibrated chlorine decay model to minimise bacteriological and customer perception risk
Hugh Thomas, Atkins & Christopher Taylor, United Utilities

Using pipe condition assessments as a decision aid to the implementation of preventive and curative mitigation solutions for ageing pipes
Flavia Zraick, CIRSEE – Water Processes & Applications

Developing a conditioning strategy: Is the Langelier Saturation Index still useful?
Lisa Barrott, Stantec

Practical Case Studies

Implementation and Challenges of Ice-Pigging
Michael Beresford – Project Manager for Mace but seconded to Affinity Water

Zonal Studies Approach
Trystan Davies, Dwr Cymru Welsh Water

Managing Lead in Private Water Supply Networks on MOD sites
Sarah Maiden, Kelda Water

Closing Panel debate: with Lisa Barrott, Stantec, Flavia Zraick, CIRSEE – Water Processes & Applications and Michael Beresford, Affinity Water

Exhibition:  A limited number of exhibition spaces will be available at the event – please contact for further details.


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Cost per person
£320 (ex. 20% VAT)

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