Seine river basin hub

At a glance

  • 76,238 km3

    drainage area

  • 18%

    of the French territory

  • > 25% of the French

    industrial sector

  • 15,000,000

    inhabitants

  • 4 upstream

    dam reservoirs

  • 1,600 Mm3/year

    surface water withdrawals

Water users:

  • The region is designated by the Environment Agency as an area of serious water stress.
  • Anglian’s supply-demand balance is under significant pressure from population growth, climate change, sustainability reductions and the need to increase resilience to severe drought
  • Increasing resilience to extreme drought is a major goal, with the aim to be resilient to a 1 in 500-year drought by 2040.
  • Demand management measures are a priority and include ambitious leakage reductions and the installation of smart meters
  • East Anglia has one of the highest usages of arable pesticides which are very difficult to remove from water.
  • Quantification of climate change uncertainty and understanding how it can be factored into decision making is a challenge. Improved sub-seasonal weather data and climate change predictions/forecasts are needed
  • East Anglia has one of the highest usages of arable pesticides which are very difficult to remove from water.
  • Novel approaches for defining environmental flows are needed

Main challenges exacerbated by climate change: