Mayflower Water Treatment Works, Plymouth
  • Devonport Lecture Theatre, Portland Square Building, Plymouth University

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This presentation will provide an insight into the new water treatment works for Plymouth - Mayflower WTW. It will provide the background behind the project, technical aspects of design through to construction and the innovative treatment processes involved.

The Mayflower Water Treatment Works (WTW) will replace the outdated treatment works at Crownhill in Plymouth, which was built in the 1950s and is reaching the end of its useful life. The new works will meet the needs of Plymouth's growing population and will provide a secure, high-quality drinking water supply for the wider Plymouth area for generations to come.

It will use cutting-edge treatment processes, designed and developed by leading Dutch water technology company PWN Technologies, and tested at a prototype facility at Crownhill. The new technology uses suspended ion exchange, inline coagulation and ceramic membrane filtration. It is the first time that this combined technology has been used in the UK.

The construction phase is scheduled to finish by March 2018 with the WTW becoming operational in September 2018.

The innovative treatment processes, combined with the size and strategic importance of the project for South West Water, poses unique challenges for the delivery team. The presentation will touch on the challenges that have been faced by the design and construction teams in delivering this flagship project for SWW.

All are welcome; you do not need to be an ICE member to attend. Please note that there is no charge, but booking is essential to attend this presentation. 

Contact Natalie Wills for further information (tel: 01752 766230 / email:

Disclaimer: Please note that ICE is not responsible for any views expressed by the presenters or participants.

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