Flooding in Hounslow

Working together to manage the risk of flooding

Organisations working together during a flood

  • The Environment Agency (EA)
  • London Borough of Hounslow
    • LLFA
    • Highway Authority      
    • Landowner
    • Local Planning Authority 
  • Thames Water Utilities Limited (TWUL)
  • Transport for London (TfL)
  • National Highways
  • Network Rail
  • Emergency Services
  • Landowners

Responsibilities of Risk Management Authorities

Lead Local Flood Authority

Hounslow Council is a Lead Local Flood Authority (LLFA) and is responsible for managing the risk of groundwater, surface water, ordinary watercourse flooding and public drains that are located on the public highway.

Visit the types of flooding webpage to understand the differences and who to contact.

The Flood and Water Management Act 2010 (FWMA) was introduced following the summer floods of 2007. The Act aims to improve flood risk management and ensure the security of water supplies in England and Wales and brought about changes to the management of flood risk by local authorities.

Key duties:

  • Flood investigations
  • Provide a Local Flood Risk Strategy
  • Provide an Asset Register
  • Act as the Statutory Consultee
  • Manage Ordinary Watercourses
  • Designate features
  • Do works

Hounslow Highways - Responsible for managing flooding on public highways including monitoring and cleansing of roadside gullies.

Landowners - Responsible for private drainage, including private roads, driveways and internally. Landowners are responsible for ensuring that any works carried out on their property does not increase the flood risk on, or outside, their property.

Local Planning Authority (LPA) - The LPA is a statutory consultee on major planning applications with regards to surface water drainage and has a responsibility to ensure that any development does not increase flood risk either upstream or downstream or onsite.

Thames Water Utilities Limited (TWUL) - Responsible for managing the capacities of sewers and ensuring the system can cope with heavy rainfall and surface water runoff. They are also responsible for blockages of the sewer network.

TfL, National Highways and Network Rail - Responsible for drainage on main roads and railway tracks.

 

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