North Lincolnshire Council

Surface water flood maps

Maps on the Environment Agency provide information on all the major types of flooding which affect England, including the risk of flooding from surface water.

They are presented in a clear, simple and consistent way, making it easier for people, communities and partners to understand flood risk and make decisions about how to manage it.

Please see the Environment Agency Flood Risk Maps.

You can never eliminate the risk of flooding, but working alongside other agencies is the most effective way to reduce the likelihood of flooding and to provide local communities with the information they need to be better prepared for flooding.

Where properties have been flooded, the council will carry out an investigation to establish the cause of flooding. It will consider which authority is responsible, and whether they can take measures to reduce the chance of it happening again in the future.

Please read the North Lincolnshire’s Flood Risk Management Strategy for further localised information.

The Risk of Flooding from Surface Water Map shows the flood risk from surface water from the impact of heavy rainfall. Using the latest data, technology and modelling techniques it shows areas at risk of flooding from surface water and includes potential depth and velocity.

There are four categories of risk:

  1. High – the chance of flooding in any year is greater than 3.3 per cent (one in 30 year chance)
  2. Medium – the chance of flooding in any year is 3.3 per cent (one in 30 year chance) or less, but greater than 1 per cent (one in 100 year chance)
  3. Low – the chance of flooding each year is one per cent (one in 100 year chance) or less, but greater than 0.1 per cent (one in 1000 year chance)
  4. Very low – the chance of flooding each year is 0.1 per cent (one in 1000 year chance) or less

The map has been produced by the Environment Agency to inform people about flood risk and help householders, businesses, local authorities and others to be prepared for flooding.

The new maps will help you understand how likely it is to flood where you live or work.

They will also enable you to prepare for flooding, even if your risk is low. For example, you can check if you can sign up for flood warnings and make sure you have adequate insurance, have stored irreplaceable items out of the reach of flood water and have made a flood plan to help keep you, your family, neighbours and colleagues safe should a flood happen.

Floods can be devastating, so be prepared and don’t wait until it’s too late. There are some simple steps you can take to reduce the impact of flooding on your home and business. You can find more information on how to take these actions on the Environment Agency website.

Under the Flood and Water Management Act, North Lincolnshire Council (as Lead Local Flood Authority) is responsible for managing risks presented by flooding from:

  • surface water
  • ground water
  • ordinary water courses (those which are not managed by the Environment Agency)

Before this legislation was introduced, the authorities responsible for managing flood risk and drainage in North Lincolnshire agreed to form a partnership to work more closely together. For details visit our managing flood risk pages.