Wansbeck and Blyth Catchment Flood Management Plan Summary Report December 2009 Managing Flood Risk We Are the Environment Agency
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Wansbeck and Blyth Catchment Flood Management Plan Summary Report December 2009 managing flood risk We are the Environment Agency. It’s our job to look after your environment and make it a better place – for you, and for future generations. Your environment is the air you breathe, the water you drink and the ground you walk on. Working with business, Government and society as a whole, we are making your environment cleaner and healthier. The Environment Agency. Out there, making your environment a better place. Published by: Environment Agency Rivers House, 21 Park Square South, Leeds, LS1 2QG Tel: 0870 8506506 Email: [email protected] www.environment-agency.gov.uk © Environment Agency All rights reserved. This document may be reproduced with prior permission of the Environment Agency. ISBN: GENE1109BRCO-E-P December 2009 Introduction I am pleased to introduce our summary of the Wansbeck and Blyth Catchment Flood Management Plan (CFMP). This CFMP gives an overview of the flood risk in the Wansbeck and Blyth catchment and sets out our preferred plan for sustainable flood risk management over the next 50 to 100 years. The Wansbeck and Blyth CFMP is one of 77 CFMPs floodplains, these areas are generally undeveloped. for England and Wales. Through the CFMPs, we have However, there are around 3,000 residential and 500 assessed inland flood risk across all of England and commercial properties within the catchment at risk of Wales for the first time. The CFMP considers all types flooding. The majority of these properties are within the of inland flooding, from rivers, ground water, surface towns of Morpeth within the Wansbeck catchment and water and tidal flooding, but not flooding directly Ponteland and Blyth in the Blyth catchment. There are from the sea (coastal flooding), which is covered by flood defences in Ponteland and Morpeth which offer Shoreline Management Plans (SMPs). Our coverage of local flood protection to these communities. surface and ground water is however limited due to a We cannot reduce flood risk on our own, we will lack of available information. therefore work closely with all our partners to improve The role of CFMPs is to establish flood risk management the co-ordination of flood risk activities and agree the policies which will deliver sustainable flood risk most effective way to manage flood risk in the future. management for the long term. This is essential if we We have worked with and consulted others including are to make the right investment decisions for the Local Authorities, water companies and Natural future and to help prepare ourselves effectively for England to develop this Catchment Flood the impact of climate change. We will use CFMPs to Management Plan. help us target our limited resources where the risks This is a summary of the main CFMP document, if you are greatest. need to see the full document an electronic version This CFMP identifies flood risk management policies to can be obtained by emailing enquiries@environment- assist all key decision makers in the catchment. It was agency.gov.uk or alternatively paper copies can be produced through a wide consultation and appraisal viewed at any of our offices in the North East. process; however it is only the first step towards an integrated approach to flood risk management. As we all work together to achieve our objectives, we must monitor and listen to each others progress, discuss what has been achieved and consider where we may need to review parts of the CFMP. The Wansbeck and Blyth catchment is largely rural in David Dangerfield, nature, and while the river systems have well defined Director – Yorkshire and North East Environment Agency Wansbeck and Blyth Catchment Flood Management Plan 1 Contents The purpose of a CFMP in managing flood risk 3 Catchment overview 4 Current and future flood risk 6 Future direction for flood risk management 10 Sub-areas 1 Wansbeck, Font and Lyne 12 2 Upper Pont 14 3 Upper Blyth 15 4 Blyth and Coastal Streams 16 5 Morpeth 18 6 Ponteland 20 7 Blyth Urban 22 Map of the CFMP policies 24 2 Environment Agency Wansbeck and Blyth Catchment Flood Management Plan The purpose of a CFMP in managing flood risk CFMPs help us to understand the • Water companies and other CFMPs aim to promote more scale and extent of flooding now utilities to help plan their sustainable approaches to managing and in the future, and set policies activities in the wider context flood risk. The policies identified in for managing flood risk within the of the catchment; the CFMP will be delivered through a catchment. CFMPs should be used combination of different approaches. • Transportation planners; to inform planning and decision Together with our partners, we making by key stakeholders such as: • Land owners, farmers and land will implement these approaches managers that manage and through a range of delivery plans, • The Environment Agency, who will operate land for agriculture, projects and actions. use the plan to guide decisions conservation and amenity on investment in further plans, The relationship between the CFMP, purposes; projects or actions; delivery plans, strategies, projects • The public and businesses to and actions is shown in figure 1. • Regional planning bodies and enhance their understanding local authorities who can use the of flood risk and how it will be plan to inform spatial planning managed. activities and emergency planning; Figure 1 The relationship between CFMPs, delivery plans, projects and actions Policy planning • CFMPs and Shoreline Management Plans. • Action plans define requirement for delivery plans, projects and actions. Policy delivery plans (see note) Projects and actions • Influence spatial planning to reduce risk • Make sure our spending delivers the best and restore floodplains. possible outcomes. • Prepare for and manage floods • Focus on risk based targets, for example (including local Flood Warning plans). numbers of households at risk. • Managing assets. • Water level management plans. • Land management and habitat creation. Note: Some plans may not be led by us – we may • Surface water management plans. identify the need and encourage their development. Environment Agency Wansbeck and Blyth Catchment Flood Management Plan 3 Catchment overview The Rivers Wansbeck and Blyth The upper part of the CFMP is rural, As the rivers flow eastwards, they drain a lowland area to the east of mainly grassland and agricultural pass through an open agricultural the south Tyne catchment. Both areas with open, active floodplains. landscape. In this middle section, have mainly gentle gradients, with Harwood Forest is in the upper the River Font joins the Wansbeck the Wansbeck also draining parts part of the Wansbeck catchment. and the Pont joins the Blyth. of the Cheviot Hills. Sweethope Settlements are small villages and Ponteland and Morpeth contain Loughs marks the start of the towns. There are some significant areas of high flood risk. Newcastle River Wansbeck, which is joined environmental sites, such as the International Airport is in this by Swilder Burn, Hart Burn and Simonside Hills Special Area of section, on the border with the the Font before reaching Morpeth Conservation (SAC) in the north Tyne CFMP area. and flowing to the coast south of west and the Northumberland Newbiggin-by-the-sea. The River Coast Special Protection Area Further eastwards still, the lower Blyth starts near Capheaton and (SPA) in the east of the Wansbeck reaches become more densely joins with the River Pont before catchment. Additionally there is urbanised, but are deeper, narrow flowing on to the coast at Blyth. The one Ramsar site and 16 Sites of floodplains. Newbiggin-by-the- North East Northumberland CFMP Special Scientific Interest (SSSI), Sea, Ashington, Bedlington, Blyth, borders the Wansbeck and Blyth 96 Scheduled Monuments (SMs), Cramlington and Seaton Delaval to the north, and the Tyne CFMP the Hadrian Wall World Heritage occupy the coastal plain. The East borders to the west and south. Site and seven registered parks and Coast Main Line railway and A1 gardens within the Wansbeck and are nationally important transport Blyth catchment. links which run through the lower catchments. 4 Environment Agency Wansbeck and Blyth Catchment Flood Management Plan Map 1 Location and extent of the Wansbeck and Blyth CFMP area Environment Agency Wansbeck and Blyth Catchment Flood Management Plan 5 Current and future flood risk Overview of the current flood risk What is at risk? The risk of flooding can be broken catchment, on the River Wansbeck Within the Wansbeck and Blyth down into two parts; The chance significant historical flooding events catchment the main consequences (probability) of a particular flood have occurred in 1761, 1839, 1878, of flooding occur in the urban areas and the impact (consequence) 1886 and 1898. In more recent of Morpeth, Ponteland and around that the flood would have if it years the largest flooding events Blyth. In total there are over 3,000 happened. The probability of a occurred in 1963 and 2008 when residential properties at risk of flood relates to the likelihood of a around 1,000 properties were flooding. Additionally there are over flood of that size occurring within flooded in and around Morpeth. 500 commercial properties. This a one year period, it is expressed means just over three per cent of In the Blyth catchment flooding as a percentage. For example, a the catchment population is at risk has been recorded from 1876 with one per cent flood has a one per from the one per cent flood event. flooding occurring in Ponteland as cent chance or 0.01 probability of recently as 2000. Flooding occurs to 0.7 kilometre occurring in any one year. square of SSSI across three sites. The main sources of flooding are: The flood risks quoted in this report Flooding is expected to have a are the undefended one per cent • River flooding in Morpeth and beneficial impact on two of these flood figures, they do not take Ponteland; sites and a neutral impact on the into consideration the presence third site.