As the Lead Local Flood Authority (LLFA) we have a duty to investigate flood events that take place in the county.
June 2012 flood event - Flood Investigation Report
- Flood investigation report on June 2012 flood event (PDF, 2.7MB)
- Figure 4 - Typical rainfall coverage and properties affected (PDF, 356KB)
- Figure 5 - Identified clusters (PDF, 955KB)
- Figure 6 - Clusters 1 and 2 - Felpham, Middleton-on-Sea and Elmer (PDF, 523KB)
- Figure 7 - Clusters 1 and 2 - Areas susceptible to surface water flooding (PDF, 534KB)
- Figure 11 - Clusters 3 and 4 - Littlehampton and East Preston (PDF, 531KB)
- Figure 12 - Clusters 3 and 4 - Areas susceptible to surface water flooding (PDF, 576KB)
- Figure 13 - Cluster 5 - Barnham (PDF, 686KB)
- Figure 14 - Cluster 5 - Areas susceptible to surface water flooding (PDF, 716KB)
- Figure 15 - Clusters 6 and 7 - Bognor Regis and Bersted (PDF, 594KB)
- Figure 16 - Clusters 6 and 7 - Areas susceptible to surface water flooding (PDF, 610KB)
- Figure 17 - Cluster 8 - West Chichester and Fishbourne (PDF, 718KB)
- Figure 18 - Cluster 8 - Areas susceptible to surface water flooding (PDF, 758KB)
- Figure 20 - Cluster 9 - Manhood peninsula (PDF, 548KB)
- Figure 21 - Cluster 9 - Areas susceptible to surface water flooding (PDF, 616KB)
- Figure 22 - Clusters 10 and 11 - West and central Worthing (PDF, 577KB)
- Figure 23 - Clusters 10 and 11 - Areas susceptible to surface water flooding (PDF, 648KB)
- Appendix G - Properties affected (PDF, 29KB)
- Appendix I - Works and investigations identified since June 2012 flood event (PDF, 40KB)
- Appendix I - Drainage works complete since June 2012 (PDF, 90KB)
- Appendix I - Drainage works currently outstanding (PDF, 78KB)
- Appendix I - Jetting works complete since June 2012 (PDF, 56KB)
- Appendix I - Jetting works currently outstanding (PDF, 30KB)
Flood and water management projects and policies
We have developed a number of flood and water management projects and policies to address the risk of flooding in the county.
West Sussex County Council projects and policies
- West Sussex Lead Local Flood Authority (LLFA) Partnership Project: 'Over the wall' drainage project.
- West Sussex Lead Local Flood Authority (LLFA) policy for the management of surface water (PDF, 1.8MB)
- Culvert policy (PDF, 808KB)
- Operation Watershed - An ongoing programme to invest in highway and environmental improvements.
- Flood Resilience Community Pathfinder Scheme
- Flood risk asset management - We maintain a register of structures and features which are likely to have a significant effect on flood risk.
- Shoreline Management Plans - These are plans to manage the threat from coastal change.
- Catchment Flood Management Plans - These consider future impacts from inland flooding.
- Preliminary Flood Risk Assessment (PDF, 10.4MB) - A high level, countywide analysis which considers past flooding and possible future flooding from local surface water runoff, ground waste, ordinary watercourses and flooding from canals and small impounded reservoirs.
- Surface Water Management Plans (SWMP) - These plans outline how surface water will be managed in a given area. These will be implemented as part of Operation Watershed.
- Easebourne SWMP (PDF, 14MB)
- Easebourne SWMP Non-technical summary (PDF, 974KB)
- Lancing SWMP (PDF, 3.7MB)
- Lancing SWMP Non-technical summary (PDF, 946KB)
- Lancing SWMP Appendices A to H (PDF, 16MB)
- Upper Lavant Valley SWMP (PDF, 14.4MB)
- Upper Lavant Valley SWMP Non-technical summary (PDF, 1.2MB)
- Lidsey SWMP (PDF, 12.7MB)
- Lidsey SWMP Appendix A Plan 1 North (PDF, 12.6MB)
- Lidsey SWMP Appendix A Plan 1 South (PDF, 12MB)
- Lidsey SWMP Appendix A Plan 2 North (PDF, 14.5MB)
- Lidsey SWMP Appendix A Plan 2 South (PDF, 5.2MB)
- Lidsey SWMP Appendix A Plan 3 North (PDF, 5.6MB)
- Lidsey SWMP Appendix A Plan 3 South (PDF, 19.3MB)
- Lidsey SWMP Appendix A Plan 4 North (PDF, 16.1MB)
- Lidsey SWMP Appendix A Plan 4 South (PDF, 17.3MB)
- Lidsey SWMP Appendix A Plan 5 North (PDF, 15.5MB)
- Lidsey SWMP Appendix A Plan 5 South (PDF, 15MB)
- Lidsey SWMP Appendix A Plan 6 North (PDF, 4.8MB)
- Lidsey SWMP Appendix A Plan 6 South (PDF, 4.9MB)
- Lidsey SWMP Appendix A Plan 7 North (PDF, 5.6MB)
- Lidsey SWMP Appendix A Plan 7 South (PDF, 5.5MB)
- Lidsey SWMP Appendix A Plan 8 North (PDF, 5.1MB)
- Lidsey SWMP Appendix A Plan 8 South (PDF, 5.5MB)
- Lidsey SWMP Appendix A Plan 9 North (PDF, 5.4MB)
- Lidsey SWMP Appendix A Plan 9 South (PDF, 5.3MB)
- Lidsey SWMP Appendix A Plan 10 North (PDF, 5.6MB)
- Lidsey SWMP Appendix A Plan 10 South (PDF, 5.6MB)
- Lidsey SWMP Appendix A Plan 11 North (PDF, 5.6MB)
- Lidsey SWMP Appendix A Plan 11 South (PDF, 5.5MB)
- Lidsey SWMP Appendix A Plan 12 North (PDF, 5.5MB)
- Lidsey SWMP Appendix A Plan 12 South (PDF, 5.4MB)
- Lidsey SWMP Appendix B Communication Plan (PDF, 592KB)
- Lidsey SWMP Appendix C Master Storyboard (PDF, 18.9MB)
- Lidsey SWMP Appendix D Modelling Report (PDF, 2.4MB)
- Lidsey SWMP Appendix E Action Pan (PDF, 741KB)
- Manhood Peninsula SWMP (PDF, 1.2MB)
- Manhood Peninsula SWMP Non Technical Summary (PDF, 709KB)
- Manhood Peninsula SWMP Appendices A-D (PDF, 7.9MB)
- Manhood Peninsula SWMP Appendices E-G (PDF, 7.1MB)