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West Wight Coastal Flood and Erosion Risk Management Strategy Appendix G

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West Wight Coastal Flood and Erosion Risk Management Strategy Appendix G Water and Environment Management Framework Lot 3 – Engineering and Related Services West Wight Coastal Flood and Erosion Risk Management Strategy Appendix G - Environmental Report November 2016 Document overview Capita-Aecom was commissioned by the Isle of Wight Council in October 2014 to undertake a Coastal Flood and Erosion Risk Management Strategy. As part of this commission, a Strategic Environmental Assessment (SEA) is required in order to determine the environmental impacts which may arise as a result of the implementation of the Strategy. This document, the SEA Environmental Report, informs the long-term Strategy through the identification of the likely significant effects of the implementation of the Strategy on relevant environmental receptors. Document history Version Status Issue date Prepared by Reviewed by Approved by Penelope Jonathan Short Simon Keys – Draft for Pickerin – 1 September 2015 – Senior Coastal EIA Project Consultation Graduate Specialist Manager Consultant Update Ben Taylor – Jonathan Short Tara-Leigh following Graduate 2 December 2015 – Senior Coastal McVey - client Coastal Specialist Associate comments Engineer Ben Taylor – Jonathan Short Tara-Leigh Update for Assistant 3 March 2016 – Principal McVey - consultation Coastal Consultant Associate Engineer George Batt – Ben Taylor – Jonathan Short Assistant Assistant 4 Final November 2016 – Principal Coastal Coastal Consultant Engineer Engineer Capita Property and Infrastructure Ltd/ Aecom, Midpoint Alençon Link, Basingstoke, Hampshire, RG21 7PP. i Limitations URS Infrastructure & Environment UK Limited (“URS”)/ Capita Property and Infrastructure Ltd (“Capita”) has prepared this Report for the sole use of Isle of Wight Council in accordance with the Agreement under which our services were performed. No other warranty, expressed or implied, is made as to the professional advice included in this Report or any other services provided by URS / Capita. This Report is confidential and may not be disclosed by the Client nor relied upon by any other party without the prior and express written agreement of URS / Capita. The conclusions and recommendations contained in this Report are based upon information provided by others and upon the assumption that all relevant information has been provided by those parties from whom it has been requested and that such information is accurate. Information obtained by URS / Capita has not been independently verified by URS / Capita, unless otherwise stated in the Report. The methodology adopted and the sources of information used by URS / Capita in providing its services are outlined in this Report. The work described in this Report was undertaken between December 2014 and August 2015 and is based on the conditions encountered and the information available during the said period of time. The scope of this Report and the services are accordingly factually limited by these circumstances. Where assessments of works or costs identified in this Report are made, such assessments are based upon the information available at the time and where appropriate are subject to further investigations or information which may become available. URS / Capita disclaim any undertaking or obligation to advise any person of any change in any matter affecting the Report, which may come or be brought to URS’ / Capita’s attention after the date of the Report. Certain statements made in the Report that are not historical facts may constitute estimates, projections or other forward-looking statements and even though they are based on reasonable assumptions as of the date of the Report, such forward-looking statements by their nature involve risks and uncertainties that could cause actual results to differ materially from the results predicted. URS / Capita specifically does not guarantee or warrant any estimate or projections contained in this Report. ii ACRONYM MEANING AONB Area of Outstanding Natural Beauty BAP Biodiversity Action Plan CAMS Catchment Abstraction Management Strategy CCMA Coastal Change Management Area CFMP Catchment Flood Management Plan CLG Communities and Local Government CRoW Countryside and Rights of Way Defra Department for Environment, Food and Rural Affairs EA Environment Agency EC European Community EEC European Economic Community EH English Heritage FDGiA Flood Defence Grant in Aid FRMP Flood Risk Management Plan HEAP Historic Environment Action Plan HRA Habitats Regulations Assessment IDB Internal Drainage Board LGAP Local Geodiversity Action Plan LLFA Lead Local Food Authority LNR Local Nature Reserve LPRG Large Project Review Group NE Natural England NERC The Natural Environment and Rural Communities NNR National Nature Reserve NPPF National Planning Policy Framework ODU Option Development Unit PDZ Policy Development Zone PLP Property Level Protection pSPA Proposed Special Protected Area RBMP River Basin Management Plan rMCZ Recommended Marine Conservation Zone SAC Special Area of Conservation SEA Strategic Environmental Assessment SFRA Strategic Flood Risk Assessment SI Statutory Instrument SINC Site of Importance for Nature Conservation SM Scheduled Monument SMP Shoreline Management Plan SMZ Strategy Management Zone SoP Standard of Protection SPA Special Protected Area SSSI Site of Special Scientific Interest iii ACRONYM MEANING SuDS Sustainable Urban Drainage Systems WFD Water Framework Directive iv Contents Non-Technical Summary 8 1. Introduction 10 1.1 Context and Study Area 10 1.2 The Role of Strategic Environmental Assessment and the Environmental Report 11 2. Consultation 12 2.1 Development from the Scoping Report 12 3. Strategic Environmental Assessment 13 3.1 The Purpose of Strategic Environmental Assessment 13 3.2 Stages in the SEA Process 13 3.3 Compliance with SEA Regulations 15 3.4 Dealing with Uncertainties 16 3.5 Scope of the SEA 16 3.6 Related Plans and Programmes 17 3.7 Environmental Baseline 17 3.8 SEA Framework 17 4. The West Wight Coastal Flood and Erosion Risk Management Strategy 22 4.1 Overview 22 4.2 Study Site 22 5. Sustainability Context 24 5.1 Introduction 24 5.2 Review of related plans, programmes and strategies 24 5.3 Water Framework Directive (WFD) Assessment 25 5.4 Identification of Key Themes 25 6. Overview of the Strategy Development and Integration of the SEA Process 26 6.1 Overview of the Strategy Development Process 26 6.2 Establish the baseline 28 6.3 Objective setting 29 6.4 Option Development 30 6.5 Option Appraisal 32 6.6 The Draft Strategy 32 6.7 Strategy Approval 32 7. Appraisal of Strategic Options 33 7.1 Option Development 33 7.2 Development of Policy Units and Identifying Potential Local Measures 33 7.3 Development of Strategy Management Zones 35 7.4 Strategic Option Appraisal 40 8. Asessment of the Environmental Effects of the Strategy 54 8.1 The Preferred Strategy Options 54 9. Biodiversity 58 v 9.1 Policy Context 58 9.2 Policy Objectives 61 9.3 Environmental Baseline 63 9.4 Key Environmental Issues 71 9.5 Appraisal Findings 71 9.6 Proposed Mitigation 74 9.7 Proposed Monitoring 75 10. Cultural Heritage 78 10.1 Policy Context 78 10.2 Policy Objectives 80 10.3 Baseline Review 81 10.4 Likely Future Conditions 83 10.5 Key Environmental Issues 84 10.6 Appraisal Findings 84 10.7 Proposed Mitigation 87 10.8 Proposed Monitoring 88 11. Landscape 90 11.1 Policy Context 90 11.2 Policy Objectives 91 11.3 Baseline Review 92 11.4 Likely Future Conditions 93 11.5 Key Environmental Issues 93 11.6 Appraisal Findings 94 11.7 Proposed Mitigation 97 11.8 Proposed Monitoring 97 12. Health 99 12.1 Policy Context 99 12.2 Baseline Review 100 12.3 Likely Future Conditions 100 12.4 Key Environmental Issues 101 12.5 Appraisal Findings 101 12.6 Proposed Mitigation 104 12.7 Proposed Monitoring 105 13. Material Assets 106 13.1 Policy Context 106 13.2 Policy Objectives 106 13.3 Baseline Review 107 13.4 Likely Future Conditions 112 13.5 Key Environmental Issues 112 13.6 Appraisal Findings 113 13.7 Proposed Mitigation 116 13.8 Proposed Monitoring 116 14. Geology and Soil 117 14.1 Policy Context 117 14.2 Environmental Policy Objectives 118 14.3 Baseline Review 118 vi 14.4 Likely Future Conditions 119 14.5 Key Environmental Issues 120 14.6 Appraisal Findings 120 14.7 Proposed Mitigation 123 14.8 Proposed Monitoring 123 15. Water 126 15.1 Policy Context 126 15.2 Environmental Protection Objectives 128 15.3 Baseline Review 130 15.4 Likely Future Conditions 135 15.5 Key Environmental Issues 135 15.6 Appraisal Findings 136 15.7 Proposed Mitigation 136 15.8 Proposed Monitoring 136 16. Cumulative Effects 137 16.1 Introduction 137 16.2 Cumulative Effects Appraisal 138 16.3 In-Combination Effects 138 17. Consultation and Next Steps 141 17.1 Consultation 141 17.2 Next Steps 141 18. Appendix A: Consultation Responses 142 19. Appendix B: Full Policy Review 145 20. Appendix C: Preferred Option Impact Assessment 163 vii Non-Technical Summary Background The Isle of Wight Council is developing a Coastal Flood and Erosion Risk Management Strategy for ‘West Wight’, which extends in a clockwise direction from Freshwater Bay to East Cowes. Ultimately, The Strategy provides an assessment of the risks and opportunities associated with coastal processes and presents the preferred management options to reduce the risks in a sustainable manner in the short (10 year), medium (10 -40 years) and longer term (40 – 100 years). The Strategy considers the effects of climate change, examining the impacts of sea-level rise and coastal erosion. In doing so, the Strategy forms an important element of the coastal management plan hierarchy and also provides guidance for spatial planning within the coastal zone. Strategic Environmental Assessment A Strategic Environmental Assessment (SEA) is undertaken to identify the significant effects that plans, programmes and strategies may have on the environment. The SEA framework therefore increases the consideration of environmental issues in decision-making processes and planning. The application of the SEA process to flood management plans and programmes is not legally required in every case, however adopting the SEA approach is strongly encouraged by the Department for Environment, Food and Rural Affairs (Defra) to enable a strategic approach to managing flood risk.
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