Preparing for flooding: a guide for regulated sites

Flood planning guide to help businesses comply with their environmental permit and the COMAH regulations.


Preparing for flooding - A guide for sites regulated under EPR and COMAH

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This flood guidance helps you comply with the Control of Major Accident Hazards (COMAH) regulations and covers:

  • how to check flood risk and get more detailed information for your site
  • the flood warning codes and how to get advance warnings
  • how to prepare for a flood
  • steps to improve the flood resilience of a site

How to prepare for a flood gives more general flooding advice.

Published 29 August 2012
Last updated 30 June 2015 + show all updates
  1. This guide has been updated to reflect developments in good practice and revised Environment Agency contact details.
  2. First published.