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Policy paper: Thames: groundwater situation

Environment Agency

January 16
16:26 2024

Details

This document provides information on the groundwater situation for:

  • West Berkshire
  • North East Wiltshire
  • Surrey
  • Windsor
  • Maidenhead
  • North East Hampshire
  • Buckinghamshire
  • Vale of White Horse

Flooding from groundwater can happen when the level of water within the rock or soil that makes up the land surface (known as the water table) rises.

The level of the water table changes with the seasons due to variations in long term rainfall and water abstraction. When the water table rises and reaches ground level, water starts to emerge on the surface and flooding can happen.

Lead local flood authorities (the unitary authority or County Council) are responsible for managing the risk of flooding from groundwater. They set out how they plan to do this in their local flood risk management strategies.

The Environment Agency has a strategic overview for all sources of flooding including groundwater. This means they will provide support to other risk management authorities.

They supply information in the form of monitored groundwater levels. In some areas that have historically experienced groundwater flooding, the Environment Agency provide a groundwater alert or warning service.

Published 28 March 2014
Last updated 16 January 2024 +show all updates
  1. Updated with briefing dated 16 January 2024.

  2. Updated with briefing dated 12 January 2024.

  3. Updated with briefing dated 10 January 2024.

  4. Updated with briefing dated 5 January 2024.

  5. Updated with briefing dated 2 January 2024.

  6. Updated with briefing dated 27 December 2023.

  7. Updated with briefing dated 19 December 2023

  8. Updated with briefing dated 12 December 2023

  9. Updated with briefing dated 5 December 2023

  10. Updated with briefing dated 28 November 2023

  11. Updated with briefing dated 21 November 2023

  12. Updated with briefing note 14 November 2023.

  13. Updated with latest briefing dated 7 November 2023.

  14. Updated with groundwater briefing - dated 01 November 2023.

  15. Updated with latest briefing 23 May 2023.

  16. Updated with a briefing dated 16 May 2023.

  17. Updated with briefing dated 9 May 2023.

  18. Updated with briefing dated 2 May 2023.

  19. Updated with briefing dated 25 April 20

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