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Environmental Risks to Infrastructure Innovation Programme

Assessing the risk of groundwater-induced sewer flooding to inform water and sewerage company investment planning

CIRIA Ref:

NERC Ref:

Start Date:

6

NE/M008312/1

27/10/2014

Case Study:

Call Year:

End Date:

Open PDF

2014

30/06/2015

Research Institution:

British Geological Survey

Principle Investigator:

Dr Christopher Jackson

CO Investigator(s):

Ana Mijic, Majdi Mansour

Industry Partners:

Thames Water Utilities Limited

Hazards

Inland flooding

The project investigated the risk of groundwater-induced sewer flooding within the Chalk catchment of the River Lambourn. Infiltration from extreme high groundwater levels experienced during recent winters resulted in the Thames Water Utilities Ltd’s sewerage network being overloaded in this catchment. The output was an integrated groundwater-sewer network model that was used to identify relationships between infiltration into sewers and groundwater levels.

Further Information

No additional information availible.

 

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