Flood Risk Management Plan 2015 Neath Port Talbot County Borough Council WWW.NPT.GOV.UK Table of Contents 1.0 Foreword ................................................................................................ 1 2.0 Introduction ............................................................................................ 2 3.0 Purpose of Flood Risk Management Plans in Managing Flood Risk ....... 4 3.1 What is a Flood Risk Management Plan? ............................................... 4 3.2 What is included in this FRMP ............................................................... 4 3.3 Legislative Context................................................................................. 5 4.0 Study Area .......................................................................................... 10 4.1 Administrative Area ............................................................................. 10 4.2 Flood Risk in NPTCBC ........................................................................ 11 4.3 Preliminary Flood Risk Assessment ..................................................... 12 4.4 Top communities at risk from surface water flooding in Neath Port Talbot ............................................................................................................ 16 4.5 Conclusions on a Borough Wide Level ................................................ 18 5.0 How we currently manage flood risk in Neath Port Talbot .................. 19 5.1 How we prioritise our work .................................................................. 19 5.2 Procedures, Measures and Powers ........................................................ 21 5.3 Who we work with to manage flood risk in Neath Port Talbot ............. 24 5.4 How this FRMP has been Co-ordinated ................................................ 25 5.5 Measures Already Underway in NPTCBC to Manage Flood Risk ........ 25 6.0 Co-ordination with the Western Wales River Basin ............................. 28 6.1 Western Wales River Basin District Overview ..................................... 29 6.2 Co-ordination with the Western Wales River Basin Management Plan 29 6.3 Co-ordination with the Western Wales River Basin Flood Risk Management Plan .......................................................................................... 30 7.0 Neath Port Talbot Flood Risk Management Plan Objectives ............... 31 7.1 Summary of Welsh Government National Flood and Coastal Erosion Risk Management Strategy ........................................................................... 31 7.2 NPTCBC‘s Objectives Extracted from the Local Flood Risk Management Strategy .................................................................................... 31 7.3 Delivery Themes Identified Within the National Flood and Coastal Erosion Risk Management Strategy .............................................................. 32 7.4 Summary of the Process for Selecting and Prioritising Measures to Achieve Objectives ....................................................................................... 33 8.0 How We Will Manage Flood Risk at a Local Level.............................. 35 8.1 NPTCBC – Flood Risk Area ................................................................ 35 9.0 Public Consultation .............................................................................. 54 9.1 Consultation Period .............................................................................. 54 9.2 Method of Consultation ........................................................................ 54 9.3 Consultation with Flood Risk Management Authorities ....................... 55 9.4 Result of the Public Consultation ............................................................ 55 10.0 Monitoring and Review ........................................................................ 56 11.0 Appendices .......................................................................................... 57 Community Flood Risk Areas ....................................................................... 58 11.1 Aberavon ............................................................................................. 58 11.2 Aberdulais ............................................................................................. 62 11.3 Alltwen ................................................................................................ 66 11.4 Baglan .................................................................................................. 69 11.5 Blaengwrach ........................................................................................ 73 11.6 Briton Ferry East .................................................................................. 77 11.7 Briton Ferry West ................................................................................ 81 11.8 Bryn & Cwmavon ................................................................................ 85 11.9 Bryncoch North .................................................................................... 89 11.10 Bryncoch South .................................................................................. 93 11.11 Cadoxton ............................................................................................ 97 11.12 Cimla ............................................................................................... 101 11.13 Coedffranc Central ........................................................................... 105 11.14 Coedffranc North ............................................................................. 108 11.16 Coedffranc West .............................................................................. 111 11.16 Crynant ............................................................................................ 115 11.17 Cwmllynfell ..................................................................................... 118 11.18 Cymmer ........................................................................................... 121 11.19 Dyffryn ............................................................................................ 124 11.20 Glyncorrwg ...................................................................................... 128 11.21 Glynneath......................................................................................... 131 11.22 Godre‘r Graig ................................................................................... 136 11.23 Gwaun-Cae-Gurwen ........................................................................ 139 11.24 Gwynfi ............................................................................................. 142 11.25 Lower Brynamman ........................................................................... 145 11.26 Margam ............................................................................................ 149 11.27 Neath East ........................................................................................ 153 11.28 Neath North ...................................................................................... 157 11.29 Neath South ...................................................................................... 160 11.30 Onllwyn ........................................................................................... 163 11.31 Pelenna ............................................................................................. 166 11.32 Pontardawe ....................................................................................... 169 11.33 Port Talbot ....................................................................................... 172 11.34 Resolven ........................................................................................... 175 11.35 Rhos ................................................................................................. 179 11.36 Sandfields East ................................................................................. 182 11.37 Sandfields West ................................................................................ 185 11.38 Seven Sisters .................................................................................... 189 11.39 Taibach............................................................................................. 192 11.40 Tonna .............................................................................................. 196 11.41 Trebanos ........................................................................................... 200 11.42 Ystalyfera ......................................................................................... 204 Appendix 2 - Analysing Data ...................................................................... 207 Appendix 3 – High Priority Culvert Inlets ................................................... 210 Appendix 4 – Components of the FRMP as detailed in the Flood Risk Regulations 2009 - Part 4 ............................................................................ 213 Appendix 5 – Project Appraisal Reports ..................................................... 217 Appendix 6 – Consultation Feedback .......................................................... 219 List of Figures Figure 1: Flood Risk Regulations (2009) Timescale .......................................... 6 Figure 2: Indicative Flood Risk Areas - Wales ................................................. 14 Figure 3: Indicative Flood Risk Areas within Neath and Port Talbot County Borough ..........................................................................................................