The risk of flooding is a major issue for many development sites. Since the publication of the 2005 Essex Design Guide flooding and sustainable drainage systems are now major material considerations for any planning application. The following pages set out the key design principles, risk and standards that should be applied when addressing flooding.

Key Messages

  • Flood risk should be managed through the control of surface water runoff and the proper maintenance and protection of the natural water cycle.
  • The quality of surface runoff must be managed to avoid and control pollution.
  • Flood management and sustainable drainage systems can be used to create and sustain natural environments.
  • Flood management and sustainable drainage can be used to create sustainable communities that offer a better quality of life to residents.

Key Questions

  • What is SuDS?
  • When should SuDS be incorporated into a development?
  • What is an ‘ordinary watercourse’
  • When is watercourse consent required?
  • What considerations should be made during the design process with regard to flooding?

Page updated: 17/05/2018

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