Case Study: Cottingham and Orchard Park Flood Alleviation Scheme (COPFAS)

2007 saw devastating flooding across the region. Over 11,000 properties were affected by flooding in Hull and Haltemprice alone, with numerous main roads throughout the outlying villages of Willerby, Derringham, Cottingham and Orchard Park transforming into rivers, due to a combination of surface water and lack of capacity in drainage systems.

Following the June 2007 floods, both East Riding of Yorkshire Council and Hull City Council carried out complex surface water modelling. This identified that a large amount of flooding in

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