Flow Modelling for Yorkshire Water Urban Pollution Management (UPM) Investigations


Yorkshire Water are carrying out AMP 6 urban pollution management investigations in 12 catchments across Yorkshire. Yorkshire Water need to assess river conditions against water framework directive standards, investigate the role of water company discharges and identify improvement schemes where necessary.


Yorkshire Water are developing specialist water quality models to investigate these catchments.  We are working closely with both Yorkshire Water and other framework consultants to develop the flow aspects of these models.  We are using flow and rainfall data from permanent and temporary monitoring sites to produce PDM rainfall runoff models and using Mike 11 or Mike Basin to route this river flow down the study reaches.   Our flow models incorporate the outputs from Yorkshire Water’s detailed sewer flow models and feed into specialist Water Quality models.


The models will be run for a 10 year period to enable water quality modellers to assess the river conditions against Water Framework Directive standards and investigate improvement schemes where these are required.  In addition to calibrating rainfall runoff models, our team also supplied YW with bespoke training in different aspects of river modeling, providing hands on use of the types of models such as PDMs that we use, to give YW confidence to challenge model setup and performance.

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For more information: Judith Stunell

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