Last updated:
31 October 2016

Reservoir flood risk

Find out if you are at risk and what to do if a reservoir floods.

Emergency planning reservoir flood maps are available on GOV.UK. These show:

  • the maximum area that could be flooded in the event of a 'worst case' reservoir failure
  • the consequences of reservoir flooding but not the likelihood of the risk of flooding.

What to do in a reservoir flooding emergency

In an emergency, phone 999 or the Environment Agency’s Emergency hotline on: 0800 807060.

You can also find advice about what to do before, during and after a flood on our Flooding advice page.

Off-site emergency plan

We are responsible, together with our Sussex Resilience Forum partners, for co-coordinating and preparing off-site emergency plans. This includes warning and informing communities about reservoir failure and flooding.

The forum has developed a reservoirs' generic off-site plan together with reservoir owners (undertakers), who are responsible for on-site plans.

This makes sure arrangements between undertakers and the emergency responders are suitably aligned.

 

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