Habitats Regulations Assessment
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Anglian Water - Water Resources Management Plan Habitats Regulations Assessment Task II: Appropriate Assessment Final for Publication December 2019 Anglian Water Services Ltd Mott MacDonald 22 Station Road Cambridge CB1 2JD United Kingdom T +44 (0)1223 463500 F +44 (0)1223 461007 mottmac.com Anglian Water Services Ltd Anglian Water - Water 374161 1 F Resources Management Plan Mott MacDonald Habitats Regulations Assessment Task II: Appropriate Assessment Final for Publication December 2019 Mott MacDonald Limited. Registered in England and Wales no. 1243967. Registered office: Mott MacDonald House, 8-10 Sydenham Road, Croydon CR0 2EE, Anglian Water Services Ltd United Kingdom Mott MacDonald | Anglian Water - Water Resources Management Plan Habitats Regulations Assessment Task II: Appropriate Assessment Final for Publication Issue and Revision Record Revision Date Originator Checker Approver Description A 12.12.2017 Roisin Ni Iain Bray Sally Watson First draft of options included in Mhathuna Principal Planning Scenario Charlotte draft WRMP Johnson Laura Kor Nicola Nineham B 08.01.2018 Roisin Ni Iain Bray Sally Watson Second draft of options included Mhathuna in updated Principal Planning Charlotte Scenario including Future proof Johnson Plan and Adaptive Plan Laura Kor draft WRMP Nicola Nineham C 09.03.2018 Roisin Ni Iain Bray Sally Watson Final for Publication Mhathuna draft WRMP Charlotte Johnson Laura Kor Nicola Nineham D 20.08.2018 Roisin Ni Celia Sally Watson Issue incorporating independent Mhathuna Figueira review recommendations and Laura Kor Nicola Levy final WRMP options Harry Alison FINAL WRMP O’Neill Carruthers E 07.09.2018 Amy Nicola Levy Sally Watson Final revision for publication Anderson including independent review Roisin Ni recommendations Mhathuna FINAL WRMP F 02.12.19 K Dixon P Renshaw N Levy Final for publication following K McConnell N Levy client updates Document reference: 374161 | 1 | E Information class: Standard This document is issued for the party which commissioned it and for specific purposes connected with the above- captioned project only. It should not be relied upon by any other party or used for any other purpose. We accept no responsibility for the consequences of this document being relied upon by any other party, or being used for any other purpose, or containing any error or omission 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. This R eport has been prepar ed sol el y for use by the party which commissi oned it (the 'Client') in connection with the capti on ed pr oject. It shoul d not be used for any other purpose. N o person other than the Client or any party who has expr essl y agreed terms of reli ance with us (the 'Recipi ent(s)') may r el y on the content, infor mation or any views expr essed in the R eport. T his R eport is confi denti al and contains pr opri etary intell ectual pr operty and we accept no duty of car e, r esponsibility or li ability to any other recipi ent of this R eport. N o repr esentati on, warranty or undertaking, express or i mplied, is made and no responsi bility or liability is accepted by us to any party other than the Client or any Reci pient(s), as to the accuracy or completeness of the i nfor mati on contai ned i n this R eport. F or the avoi dance of doubt thi s Report does not i n any way pur port to i nclude any leg al, insurance or fi nanci al advice or opi nion. We disclai m all and any liabilit y whether arising i n tort, contr act or other wise which we might otherwise have to any party other than the Cli ent or the Reci pient(s), in respect of this Report, or any infor mation contained in it. 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While we consi der that the infor mation and opini ons given in this R eport are sound all parti es must rel y on their own skill and judgement when making use of it. Infor mation and opi nions ar e current onl y as of the date of the Report and we accept no responsi bility for updati ng such infor mation or opi nion. It shoul d, therefor e, not be assumed that any such infor mati on or opi nion conti nues to be accurate subsequent to the date of the Report. U nder no circumstances may this Report or any extract or summar y thereof be used i n connecti on with any public or pri vate securities offeri ng incl udi ng any related memor andum or pr ospectus for any securiti es offering or stock exchange listi ng or announcement. By acceptance of this Repor t you agree to be bound by this disclai mer. 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All disputes or clai ms arising out of or r elati ng to this discl ai mer shall be subject to the exclusi ve jurisdicti on of the English and Welsh courts to which the parties irrevocabl y submit. 374161 | 1 | F | December 2019 Mott MacDonald | Anglian Water - Water Resources Management Plan Habitats Regulations Assessment Task II: Appropriate Assessment Final for Publication Contents Contents vi Non-Technical Summary 1 Table of Abbreviations 3 1 Introduction 5 1.1 Background 5 1.2 The Purpose of the Habitats Regulations Assessment 5 1.3 The Process of Habitats Regulations Assessment 6 1.4 Study Area 8 1.5 Development of WRMP and the HRA Task I: Screening Assessment 8 1.6 Outcome of the Task I: Screening Assessment and Scoping the Task II: Appropriate Assessment 9 1.7 Aims of the Task II: Appropriate Assessment 11 2 Methodology 13 2.1 Approach to the Task II: Appropriate Assessment and Guidance 13 2.2 Identifying a Zone of Influence 13 2.2.1 Identifying Potential Impacts 14 2.2.2 Dealing with Uncertainty 16 2.3 Assessing In-Combination Effects 17 2.4 Scope of the Task II: Appropriate Assessment 17 3 ESU1 - Felixstowe Desalination 19 3.1 Option Description 19 3.2 Designated Sites in the Zone of Influence 20 3.2.1 Stour and Orwell Estuaries SPA 21 3.2.2 Stour and Orwell Estuaries Ramsar site 21 3.2.3 Conservation objectives of the Stour and Orwell Estuaries 22 3.2.4 Vulnerability of the Stour and Orwell Estuaries 22 3.2.5 Deben Estuary SPA and EMS 23 3.2.6 Deben Estuary Ramsar site 23 3.2.7 Conservation Objectives of Deben Estuary 24 3.2.8 Vulnerability of Deben Estuary 24 3.2.9 Outer Thames Estuary SPA 24 3.2.10 Conservation Objectives of Thames Estuary 25 3.2.11 Vulnerability of Outer Thames Estuary 25 3.2.12 Qualifying habitats of the Stour and Orwell Estuaries SPA/Ramsar, Deben Estuary SPA/Ramsar and Outer Thames Estuary SPA within the Zone of Influence 26 374161 | 1 | F | December 2019 Mott MacDonald | Anglian Water - Water Resources Management Plan Habitats Regulations Assessment Task II: Appropriate Assessment Final for Publication 3.2.13 Qualifying birds of the Stour and Orwell Estuaries SPA/Ramsar and Deben Estuary SPA/Ramsar within the Zone of Influence 26 3.3 Potential Impacts of ESU1 Felixstowe Desalination 27 3.3.1 Construction Impacts 28 3.3.2 Operation Impacts 29 3.4 Summary of Potential Impacts of the Option 30 3.5 Conclusions and Recommendations 30 3.5.1 Background 30 3.5.2 Summary of Potential Effects on European Sites 31 3.5.3 Proposed Mitigation Measures 31 3.5.4 Summary of HRA Task II: Appropriate Assessment 32 4 SHB2 - Pyewipe Water Reuse for Non-Potable Use 34 4.1 Option Description 34 4.2.1 The Humber Estuary 35 4.2.2 The Humber Estuary SPA 35 4.2.3 Humber Estuary Ramsar site 36 4.2.4 The Humber Estuary SAC 36 4.2.5 Conservation Objectives of the Humber Estuary 37 4.2.6 Vulnerabilities of the Humber Estuary 38 4.2.7 Qualifying habitats of the Humber Estuary within the Zone of Influence 38 4.2.8 Qualifying bird species of the Humber Estuary within the Zone of Influence 39 4.2.9 Qualifying mammal and amphibian species of the Humber Estuary within the Zone of Influence 40 4.2.10 Qualifying fish species of the Humber Estuary within the Zone of Influence 40 4.3 Potential Impacts of SHB2 Pyewipe Water Reuse for Non-Potable Use 40 4.3.1 Construction Effects 41 4.3.2 Operational Effects 43 4.4 Summary of Potential Impacts of the Option 44 4.5 Conclusions and Recommendations 45 4.5.1 Background 45 4.5.2 Summary of Potential Impacts 45 4.5.3 Proposed Mitigation Measures 45 4.5.4 Summary of Task II: Appropriate Assessment 46 5 ESU2 – Ipswich Water Reuse 49 5.1