Anglian Water 2015 Water Resource Management Plan
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Anglian Water 2015 Water Resources Management Plan 313903 EVT EES 003 C http://pims01/pims/llisapi.dll/properties/1547572395 04 December 2013 Habitats Regulations Assessment: Task 1 & 2 Anglian Water 2014 Water Resources Management Plan Habitats Regulations Assessment: Task 1 & 2 December 2013 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 Anglian Water 2015 Water Resource Management Plan Habitats Regulations Assessment: Task 1 & 2 Issue and revision record Revision Date Originator Checker Approver Description Standard A 16 October 2013 Tristan Folland Zoe Trent N Levy Draft for comments Roisin Ni Celia Figueira Mhathuna B 27 November 2013 Tristan Folland Laura N Levy Final draft for comments Celia Figueira Henderson C 04 December 2013 Tristan Folland Laura N Levy Final for Submission Celia Figueira Henderson This document is issued for the party which commissioned it and We accept no responsibility for the consequences of this for specific purposes connected with the above-captioned project document being relied upon by any other party, or being used only. It should not be relied upon by any other party or used for for any other purpose, or containing any error or omission 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.. 313903 /EVT/EES/003/C 04 December 2013 http://pims01/pims/llisapi.dll/properties/1547572395 Anglian Water 2015 Water Resource Management Plan Habitats Regulations Assessment: Task 1 & 2 Contents Chapter Title Page Executive Summary i 1 Introduction 1 1.1 Background _______________________________________________________________________ 1 1.2 The Purpose of Habitats Regulations Assessment _________________________________________ 2 1.3 Study Area ________________________________________________________________________ 4 2 Methodology 8 2.1 Guidance _________________________________________________________________________ 8 2.2 Consultation _______________________________________________________________________ 8 2.3 Task 1 Screening Process ____________________________________________________________ 8 3 The Water Resources Management Plan 11 3.1 WRMP Context ____________________________________________________________________ 11 3.2 WRMP Region ____________________________________________________________________ 11 3.3 WRMP Objectives _________________________________________________________________ 13 3.3.1 General __________________________________________________________________________ 13 3.3.2 WRMP Scheme Delivery ____________________________________________________________ 14 3.4 Schemes ________________________________________________________________________ 14 4 Relationship with other Plans 17 4.1 Introduction _______________________________________________________________________ 17 4.2 Water Resources Management Plans __________________________________________________ 17 4.3 Regional Strategy __________________________________________________________________ 19 4.3.1 East of England ___________________________________________________________________ 19 4.3.2 North East of England ______________________________________________________________ 19 4.4 Local Plans & Local Development Frameworks ___________________________________________ 19 4.5 Enjoying Water - Strategic Priorities for Water Related Recreation in East of England _____________ 21 5 Task 1 Screening for Likely Significant Effects 22 5.1 Assessment of the List of Scheme Options ______________________________________________ 22 5.1.1 EA Review of Consents _____________________________________________________________ 22 5.1.2 Screening for Likely Significant Effects__________________________________________________ 22 5.2 Assessment of Cumulative Effects _____________________________________________________ 44 5.2.1 Regional Strategy __________________________________________________________________ 44 5.2.2 Enjoying Water - Strategic Priorities for Water Related Recreation in East of England _____________ 44 6 Conclusions of the Test of Likely Significance 46 6.1 Conclusions ______________________________________________________________________ 46 6.2 Preferred Plan Schemes and Next Steps ________________________________________________ 48 313903 /EVT/EES/003/C 04 December 2013 http://pims01/pims/llisapi.dll/properties/1547572395 Anglian Water 2015 Water Resource Management Plan Habitats Regulations Assessment: Task 1 & 2 7 Task 2 Appropriate Assessment 51 7.1 NB2/NB11 Norwich Water Reuse ______________________________________________________ 51 7.1.1 Scheme Description ________________________________________________________________ 51 7.1.2 Designated Sites __________________________________________________________________ 52 7.1.2.1 The Broads SAC __________________________________________________________________ 52 7.1.2.2 Broadland SPA ____________________________________________________________________ 56 7.1.2.3 Broadland Ramsar Site _____________________________________________________________ 58 7.1.3 Potential Impacts of the NB2 Norwich Water Reuse Scheme ________________________________ 59 7.1.3.1 Physical Loss (habitat destruction) _____________________________________________________ 59 7.1.3.2 Toxic Contamination (water pollution) __________________________________________________ 59 7.1.3.3 Water Table (changes to water levels and flows) __________________________________________ 61 7.1.4 Mitigation Measures ________________________________________________________________ 62 7.1.5 Integrity of the Designated Sites _______________________________________________________ 63 7.1.5.1 Impacts acting alone________________________________________________________________ 63 7.1.5.2 Impacts acting in-combination ________________________________________________________ 63 7.2 RHFA1 Ruthamford North RZ Transfer _________________________________________________ 64 7.2.1 Scheme Description ________________________________________________________________ 64 7.2.2 Designated Sites __________________________________________________________________ 64 7.2.2.1 Upper Nene Valley Gravel Pits SPA ____________________________________________________ 64 7.2.2.2 Upper Nene Valley Gravel Pits Ramsar Site _____________________________________________ 65 7.2.3 Potential Impacts of the RHFA1 Scheme ________________________________________________ 67 7.2.3.1 Physical Loss (habitat destruction) _____________________________________________________ 67 7.2.3.2 Habitat Fragmentation ______________________________________________________________ 67 7.2.3.3 Toxic Contamination (water pollution) __________________________________________________ 67 7.2.4 Mitigation ________________________________________________________________________ 68 7.2.5 Integrity of the Designated Sites _______________________________________________________ 68 7.2.5.1 Impacts Acting Alone _______________________________________________________________ 68 7.2.5.2 Impacts Acting In-Combination ________________________________________________________ 68 8 Task 2 Outcomes 69 8.1 NB2 / NB11 Norwich Reuse Scheme ___________________________________________________ 69 8.2 RHFA1 Ruthamford North RZ Transfer Scheme __________________________________________ 69 8.3 Further Assessments _______________________________________________________________ 69 9 Overall Conclusions 70 9.1 Conclusions of the HRA _____________________________________________________________ 70 10 References 71 Appendices 73 Appendix A. Schemes Description _______________________________________________________________ 74 A.1 West Suffolk RZ ___________________________________________________________________ 74 A.2 Ely RZ ___________________________________________________________________________ 75 A.3 Newmarket RZ ____________________________________________________________________ 76 313903 /EVT/EES/003/C 04 December 2013 http://pims01/pims/llisapi.dll/properties/1547572395 Anglian Water 2015 Water Resource Management Plan Habitats Regulations Assessment: Task 1 & 2 A.4 Cheveley RZ ______________________________________________________________________ 76 A.5 Central Essex RZ __________________________________________________________________ 76 A.6 Norwich and The Broads RZ _________________________________________________________ 76 A.7 Fenland RZ _______________________________________________________________________ 78 A.8 Hunstanton RZ ____________________________________________________________________ 79 A.9 South Essex RZ ___________________________________________________________________ 80 A.10 East Suffolk RZ ___________________________________________________________________ 81 A.11 North Ruthamford RZ _______________________________________________________________ 82 A.12 South Ruthamford RZ_______________________________________________________________ 83 A.13 Cambridgeshire and West Suffolk RZ (old resource zone*) __________________________________ 85 Appendix B. Screening Matrices _________________________________________________________________ 87 313903 /EVT/EES/003/C 04 December 2013 http://pims01/pims/llisapi.dll/properties/1547572395