Surface Water Management Plan - Hampshire County Council

The recommendations for Bishopstoke are: Hampshire County Council to ensure the riparian landowners areaware of their maintenance responsibilities for ordinarywatercourses. The Environment Agency should promote their Flood WarningService to those properties not already signed up to the Shawford toBishopstoke flood zone The Planning Authority should ensure that future developments takeinto account potential flood risk and do not increase runoff rateswithin these areas7.2.3. BotleyBotley Parish is located centrally extending to the western boundary of theborough of Eastleigh. It is predominantly rural with a high proportion ofagricultural land and includes the villages of Botley, Boorley Green, Broadoakand parts of Hedge End.The A334 bisects the parish centrally, running east to west and connectsHedge End with Botley and Wickham further to the east. The London toPortsmouth railway line also crosses the parish to the north of Botley villagecentre forming part of the critical transport network.The topography is largely low lying with levels falling towards the river Hambleto the eastern boundary of the parish. A number of the tributaries of theHamble have their sources within or flowing through the parish before joiningthe main river.There have been a number of flooding issues in the parish of Botley however,the majority of these sites have had works carried out or have works plannedto address these problems.Those sites which are still thought to pose a flood risk include Broad OakRoad where investigation is already underway and Maddoxford Lane whereinvestigation is still required. It is recommended that the flood issues inMaddoxford Lane are investigated to determine the cause of flooding and ifmitigation works are viable.There are a number of rivers that flow through the parish which have thepotential to cause flooding and these are highlighted within Flood Zone 3.Botley is also covered in part by the Environment Agency flood warning areaof ‘Bishop’s Waltham and Botley on the River Hamble’ at the eastern edge ofthe parish. It is recommended that where it is available, residents sign up tothe Environment Agency’s flood warning service.The Flood map for Surface Water shows very few urbanised locations are atrisk under a 1:30 storm scenario. Those areas that are follow the line of theHedge End and Moorgreen streams, both of which are classified as mainrivers. The only other area shown to be at risk runs just to the north of the15