Strategic Environmental Assessment - Environmental Report - Draft for Consultation April 2015
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Norfolk Local Flood Risk Management Strategy Strategic Environmental Assessment - Environmental Report - Draft for Consultation April 2015 Norfolk County Council Norfolk Local Flood Risk Management Strategy 320859 EVT EES 002 B C:\Users\lev33720\AppData\Roaming\OpenText\OTEdit\EC_EUNAPiMS\ c1569161403\Norfolk LFRMS Environmental Report Draft for Consultation April07 2015.docxApril 2015 StrategicNorfolk Local EnvironmentalFlood Risk Management Assessment Strategy - EnvironmentalSEA - Environmental ReportReport - Draft - Draft for Consultation for Consultation April 2015 Norfolk County Council County Hall Martineau Lane Norwich NR1 2SG Mott MacDonald, Demeter House, Station Road, Cambridge CB1 2RS, United Kingdom T +44 (0)1223 463500 F +44 (0)1223 461007 W www.mottmac.com Norfolk Local Flood Risk Management Strategy SEA - Environmental Report - Draft for Consultation Issue and revision record Revision Date Originator Checker Approver Description A 09.03.2015 N Levy J Fookes J Fookes Working Draft for Client Information S Palit B 07.04.2015 N Levy J Fookes J Fookes Final Draft for Consultation Information Class: Standard This document is issued for the party which commissioned it We accept no responsibility for the consequences of this and for specific purposes connected with the above-captioned document being relied upon by any other party, or being used project only. It should not be relied upon by any other party or for any other purpose, or containing any error or omission used for any other purpose. which is due to an error or omission in data supplied to us by other parties. This document contains confidential information and proprietary intellectual property. It should not be shown to other parties without consent from us and from the party which commissioned it. 320859/EVT/EES/002/B 07 April 2015 C:\Users\lev33720\AppData\Roaming\OpenText\OTEdit\EC_EUNAPiMS\c1569161403\Norfolk LFRMS Environmental Report Draft for Consultation April 2015.docx Norfolk Local Flood Risk Management Strategy SEA - Environmental Report - Draft for Consultation Contents Chapter Title Page Abbreviations i Glossary iii Non-Technical Summary v 1 Introduction 1 1.1 Introduction ________________________________________________________________________ 1 1.2 Purpose of the Assessment Stage and Environmental Report _________________________________ 1 1.3 Compliance with the SEA Directive _____________________________________________________ 1 1.4 Links with Wider Studies _____________________________________________________________ 2 1.5 Limitations of the SEA _______________________________________________________________ 3 2 SEA Process and Methodology 5 2.1 SEA Legislative Requirements and Purpose ______________________________________________ 5 2.2 SEA Process and Stages _____________________________________________________________ 5 2.2.1 SEA Process Overview ______________________________________________________________ 5 2.2.2 SEA Scoping Consultation Results _____________________________________________________ 7 2.2.3 Assessment Methodology ____________________________________________________________ 8 2.2.4 Assessment Assumptions ____________________________________________________________ 9 3 Description and Context of the Norfolk Local Flood Risk Management Strategy 10 3.1 Norfolk Local Flood Risk Management Strategy Context ____________________________________ 10 3.2 Norfolk LFMRS Aims and Objectives ___________________________________________________ 11 4 Stage A Scoping Summary 13 4.1 Relationship with other policies, plans and programmes ____________________________________ 13 4.2 Baseline Scoping Summary __________________________________________________________ 15 4.2.1 Future Baseline ___________________________________________________________________ 15 4.3 Key Environmental Issues and Opportunities _____________________________________________ 16 4.4 SEA Framework ___________________________________________________________________ 21 4.5 Compatibility of SEA Objectives _______________________________________________________ 25 5 Development of the Norfolk LFRMS 28 5.1 Compatibility of LFMRS Objectives and SEA Objectives ____________________________________ 28 5.2 Strategic Alternatives _______________________________________________________________ 30 5.3 Discounted Policies ________________________________________________________________ 31 6 Assessment of LFRMS Policies and Measures 33 6.1 Introduction _______________________________________________________________________ 33 320859/EVT/EES/002/B 07 April 2015 C:\Users\lev33720\AppData\Roaming\OpenText\OTEdit\EC_EUNAPiMS\c1569161403\Norfolk LFRMS Environmental Report Draft for Consultation April 2015.docx Norfolk Local Flood Risk Management Strategy SEA - Environmental Report - Draft for Consultation 6.2 Norfolk LFRMS Policies _____________________________________________________________ 34 6.2.1 Undertakings and Commitments Policies ________________________________________________ 34 6.2.2 Ordinary Watercourse Regulation Policies _______________________________________________ 35 6.2.3 Environmental Policies ______________________________________________________________ 37 6.3 Norfolk LFRMS Measures ___________________________________________________________ 38 6.3.1 Measure 1 – Understanding Catchments and Flood Risk ___________________________________ 38 6.3.2 Measure 2 – Disseminating Knowledge _________________________________________________ 40 6.3.3 Measure 3 – Partnership Coordination and Working _______________________________________ 41 6.3.4 Measure 4 – Flood Mitigation Funding __________________________________________________ 42 6.3.5 Measure 5 – Monitoring Maintenance Spend _____________________________________________ 43 6.3.6 Measure 6 – Implementation of Identified Mitigation Measures _______________________________ 44 6.3.7 Measure 7 – Delivery of Small Scale Projects ____________________________________________ 50 6.3.8 Measure 8 – Delivery of Local Risk Regulations __________________________________________ 51 6.3.9 Measure 9 – Support for Local Planning Authorities _______________________________________ 52 6.4 Amendments to Policies and Measures _________________________________________________ 53 6.5 Assessment of Amended Policies and Measures __________________________________________ 54 6.6 Cumulative Effects _________________________________________________________________ 55 7 Mitigation and Monitoring 57 7.1 Mitigation and Enhancement Measures _________________________________________________ 57 7.2 Monitoring Proposals _______________________________________________________________ 58 7.3 Links to other Tiers of Plans, Programmes and the Project Level _____________________________ 60 8 Conclusions of the SEA 62 8.1 Conclusions and Difference the SEA has made to the LFMRS _______________________________ 62 8.2 Next steps in the SEA Process ________________________________________________________ 62 8.2.1 Remaining stages of the SEA Process __________________________________________________ 62 8.2.2 Stage D: Consulting on the draft Strategy and the Environmental Report _______________________ 63 8.2.3 Completion of Stage E ______________________________________________________________ 63 9 References 64 Appendices 67 Appendix A. Scoping Consultation Results _________________________________________________________ 68 Appendix B. Plans and Programmes Review _______________________________________________________ 72 Appendix C. Baseline information _______________________________________________________________ 106 C.1 Air Quality _______________________________________________________________________ 106 C.2 Water __________________________________________________________________________ 107 C.2.1 Overview _______________________________________________________________________ 107 C.2.2 Main Rivers and Tributaries _________________________________________________________ 107 C.2.3 Main Lakes and Reservoirs _________________________________________________________ 108 C.2.4 Estuarine and Coastal Bodies _______________________________________________________ 109 C.2.5 Groundwater Bodies _______________________________________________________________ 109 C.2.6 Water Pollution Issues _____________________________________________________________ 111 320859/EVT/EES/002/B 07 April 2015 C:\Users\lev33720\AppData\Roaming\OpenText\OTEdit\EC_EUNAPiMS\c1569161403\Norfolk LFRMS Environmental Report Draft for Consultation April 2015.docx Norfolk Local Flood Risk Management Strategy SEA - Environmental Report - Draft for Consultation C.2.7 Hydrogeology ____________________________________________________________________ 114 C.2.8 Flooding ________________________________________________________________________ 114 C.2.9 Water Quality and Resources ________________________________________________________ 118 C.2.10 Flooding ________________________________________________________________________ 119 C.3 Climatic Factors __________________________________________________________________ 119 C.4 Soils ___________________________________________________________________________ 120 C.4.1 Geology ________________________________________________________________________ 120 C.4.2 Contamination ___________________________________________________________________ 122 C.5 Biodiversity, Fauna and Flora ________________________________________________________ 122 C.6 Landscape ______________________________________________________________________ 126 C.7 Cultural Heritage (architectural