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Flood investigations

As the Lead Local Flood Authority (LLFA), we have a duty to investigate flooding when it is 'necessary and appropriate' (Section 19 of the Flood and Water Management Act 2010).

Any incidents of flooding should be reported so we can:

  • Keep accurate records
  • Determine which areas are most at risk
  • Prioritise areas for interventions

When flooding is reported we will decide whether to undertake a flood risk investigation. This is likely where:

  • A property has been flooded inside on more than one occasion
  • Five or more properties have been flooded inside during a single flood incident
  • Critical infrastructure has been affected by flooding
  • The source of flooding is ambiguous

The investigation will identify and document:

  • Which Risk Management Authorities (RMA) have a flood risk management function in relation to the flood
  • What each RMA is going to do, or has done in response to the flooding incident

Page last updated: 14 June 2023

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