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Layer: High Risk Flood Zones (Tidal) (ID: 1)

Name: High Risk Flood Zones (Tidal)

Display Field: LD

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: These maps provide an indication of flood risk from rivers and the sea for the Isle of Man. Although they give a good indication of the areas of land at risk of flooding, they do not provide detail of the risk to individual properties.Flood risk areas are areas around the Island which could be affected in the event of flooding from rivers and the sea. • in the case of river flooding, the flood maps indicate the extent of a flood with a 1% (1 in 100) chance of happening in any year• in the case of flooding from the sea, the flood maps indicate the extent of a flood with a 0.5% (1 in 200) chance of happening in any yearThe flood maps also take into account climate change for both river and coastal floodingDisclaimer: Flood Maps displaying the indicative 1 in 100-year river and 1 in 200-year tidal flood outlines:Please note the flood map only shows the predicted likelihood of flooding from rivers or the sea for defined areas and is not sufficiently detailed to account for individual addresses. Individual properties may, therefore, not always be at the same risk of flooding as surrounding areas/properties. If you believe that a particular property has a different risk of flooding to that shown on the flood map and/or if you have information you believe we may not have taken into account when preparing the flood map please contact us.Climate change is accounted for in the river flood by increasing the 1 in 100 year peak flow estimate by 20%. For the tidal flood, an annual climate change allowance has been added for 60 years.Whilst flood defences [are/may be] indicated on the flood map, given that they do not completely remove the risk of flooding and can be breached or fail in extreme weather conditions the flood map does not take into account flood defences and/or the effect any such defences (in place now or in the future) may have on the risk of flooding.As and when additional relevant information becomes available to us the flood map will be improved and updated. The flood map was produced on behalf of Manx Utilities and all or any intellectual property rights in and to the flood map vest in Manx Utilities.We believe that the flood map and information contained therein accords with the information currently available to it, but no representations or warranties (expressed or implied) are given with regard to the accuracy of the flood map. To the fullest extent permitted by law Manx Utilities will not accept liability for any losses resulting in connection with the flood map.Mapping is based upon the Isle of Man survey map with permission of the Department of Infrastructure

Copyright Text: Gemma Toher (Flood Risk & Water Resource Analyst) Malcolm Cowin (Flood Risk Manager) Map Data © Crown Copyright Department of Infrastructure, Isle of Man

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