Christmas Arrangments at Mogden

Drop in on 13th December


Thames Water Customer Services - Mogden Line (24hr/day): 0845 641 0030

Mogden is the second largest Sewage Treatment Works in the UK, serving 1.9 million people.  For more information please visit our website at

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Mogden Residents' Action Group (MRAG)

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In the run up to Christmas the final phase of Mogden’s £140 million upgrade is on track for completion at the end of March next year.

Christmas working arrangements
To avoid disturbing you during the festive season we do not plan to carry out activities involving heavy machinery between Monday 24 December and Wednesday 2 January.

We will have a small workforce on site between Christmas and the New Year who will continue working on the existing uncovered primary tanks so they can be refurbished, covered and odour controlled. These tanks are away from the site boundary so this work should not cause any disruption. During this period, we will also continue to operate and carry out routine maintenance on parts of the new plant that have recently been brought into service.

Our security arrangements will continue on a 24-hour basis as they have throughout the whole project.

Embankment update
Our temporary office buildings from the north-west corner of the site have now been completely removed, allowing the final phase of the embankment shaping to get underway. No work on the embankment will be carried out during the Christmas break – the work will continue in the New Year.

We plan to complete the final shaping of the mound so it is ready for planting in early 2013. At this point, we will be introducing a range of native trees including English oak, Scots pine, birch and hornbeam, and shrubs including holly, hazel, blackthorn and hawthorn – encouraging biodiversity and wildlife.

Thank you for bearing with us during this important project which will increase the site’s treatment capacity by 50 per cent. This will significantly reduce the need to discharge partially-treated sewage into the River Thames.

Come and meet the team
We’re holding an informal drop-in session on Thursday 13 December, from 5pm to 6.30pm, for you to discuss the improvement work with members of our project team and view our landscaping plans.

This will be held at Twickenham Stadium. On arrival, please report to reception at Rugby House Door A, situated in the South Stand. Free car parking is available in the main car park and there will be mince pies and non-alcoholic mulled wine on offer, so please do come and join us.

We will continue to update you on our progress, but if you have any questions please call 0845 641 0030 and quote ‘Mogden’. Our lines are always open.

Thames Water

December 11, 2012

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