ea groundwater flood maps
The flood can last for long periods of time as groundwater slowly falls, and may contribute to surface water flooding. Flooding from reservoirs is excluded because it will be part of separate work under the Reservoirs (Scotland) Act 2011. Postcode: searches for River Basin Districts, catchments and water bodies within a 10 mile radius. BETA The online maps shown here are limited to a scale above 1:25,000 and not designed for small-scale investigations but as a trigger for policy advice in TAN 15. The depth to groundwater dataset is a gridded interpolation of depth to groundwater. Freedom of information requests for this dataset, , Format: N/A, Dataset: Groundwater Flooding Susceptibility, All datasets from British Geological Survey (BGS), Risk of Flooding from Multiple Sources: Suitability, Risk of Flooding from Multiple Sources: Risk Band, Risk of Flooding from Multiple Sources: Risk Contribution, Risk of Flooding from Surface Water Suitability, Contact British Geological Survey (BGS) regarding this dataset, Freedom of information requests for this dataset. D.3.15 The closest EA Flood Zone 2 and 3 areas are approximately 1km north-west of site, associated with a public drain, which in turn drains to the Great Ouse. groundwater flooding EA 2017 Areas Susceptible to Groundwater Flooding (AStGWF) is a strategic scale map showing groundwater flood areas on a 1km square grid. To help you understand our maps please use the information boxes in the menu and the help area located at the top right of the flood maps. Managing flood risk from surface water, ordinary watercourses and groundwater. In all cases it is strongly recommend the confidence data is used in conjunction with the groundwater flooding susceptibility data. The EA represents groundwater flood risk with maps of groundwater vulnerability to pollution and flooding (Figure 6). 5.2.2 Resolution and Caveats The main difference between the groundwater flood map and the coastal, fluvial and surface water flood maps is that it does not show a groundwater flood extent, but instead highlights Groundwater flooding is the emergence of groundwater at the ground surface. Check your risk of flooding: get current flood warnings, river and sea levels, check the 5-day forecast or use flood risk maps Flood and Coastal Erosion Risk Management Schemes, Flood and coastal erosion risk management activities, Drinking Water Protected Areas Safeguard Zones, Flood and Coastal Erosion Risk Management Activities. The mapped extent includes much of south east England (an area of about 10 000km 2 from Yorkshire to the Solent). The dataset is a raster grid, with 50 × 50 m pixels holding values that represent the probable maximum depth in metres to the phreatic water table. Where to find Flood Map for Planning data and information, Where to find the Flood Warning and Alert Areas data, Where to find the Coastal Erosion - Shoreline Management Plans data, Where to find the Flood and Coastal Erosion Risk Management Schemes data, Where to find the Flood and Coastal Erosion Risk Management Activities data, Understanding the Main Rivers map and data, Where to find the Nitrate Vulnerable Zones map and data, Where to find the Groundwater Source Protection Zones map and data, Where to find the Aquifer Designation maps, Where to find the Groundwater Vulnerability Zones maps, Where to find the Water Abstraction Licences data, Where to find the Drinking Water Protected Areas and Safeguard Zones maps and data, Where to find the Authorised Landfill Sites data, Where to find the Closed mining waste facilities data, Where to find the Pollution Incidents data, Where to find Industrial Pollution (Pollution Inventory) data, Where to find the Industrial Operator Scores (Operational Risk Appraisal) data, Where to find the Historic River Quality (GQA) data, Where to find the Environment Agency Offices and Areas data, How to download from DATA.GOV.UK and use data in your own systems, Author: The Environment Agency | enquiries@environment-agency.gov.uk
They don't show flood risk at individual property level. Check your risk of flooding: get current flood warnings, river and sea levels, check the 5-day forecast or use flood risk maps Where to find the Groundwater Vulnerability Zones maps. D.3.16 Given that the site is located entirely within Flood Zone 1 the fluvial/tidal flood risk to site is The maps show you areas which are likely to flood from rivers, the sea and surface water. These maps provide key evidence for the Environment Agency's assessment of the exposure of groundwater to a pollution hazard from a given activity as part of its permitting activity work. Preparing and maintaining a preliminary flood risk assessment, flood hazard maps, flood risk maps and flood risk management plans. We use cookies to collect information about how you use data.gov.uk. For Scotland maps only show information where it is available or appropriate. In 2013 the Environment Agency, working with Natural Resources Wales (NRW) and LLFAs, produced the updated Flood Map for Surface Water (uFMfSW). There are no flood risk maps for groundwater. Coordinates: searches for River Basin Districts, catchments and water bodies within a 10 mile radius using latitudes and longitude or eastings and northings. We also offer expert consultancy on property or environmental risk. Catchment Data Search. The Historic Flood Map is a GIS layer showing the maximum extent of individual Recorded Flood Outlines from river, the sea and groundwater springs that meet a set criteria. Flooding may last a longer compared to other types of floods, from weeks to months. We use this information to make the website work as well as possible. Groundwater flooding is characterised by: Water rises up through floors or directly from the ground. It can occur in a variety of geological settings including valleys in areas underlain by chalk, and in river valleys with thick deposits of alluvium and river gravels. It shows areas of land that have previously been subject to flooding in England. The data is based on data sets with a range of resolutions, but the derived data set has an effective spatial resolution of about 50m by 50m. The ‘New groundwater vulnerability mapping methodology’ report provides technical information about how the maps have been created.. Request Groundwater Vulnerability Maps dataset. The winter of 2015/2016 saw the most extensive groundwater flooding ever witnessed in Ireland. A flood warning area exists for Hereford City Centre. Flood Map can help to locate places at higher levels to escape from floods or in flood rescue/flood relief operation. To help you understand our maps please use the information boxes in the menu and the help area located at the top right of the flood maps. The susceptibility data cannot be used on its own to indicate risk of groundwater flooding. records of previous incidence of groundwater flooding, rainfall, property type, and land drainage information, to establish relative, but not absolute, risk of groundwater flooding at a resolution of greater than a few hundred metres. They don't show flood risk at individual property level. The DBFP EA final ESR is now available for review and comment from June 4, 2020 to August 2, 2020*.. I.1.7 The present-day fluvial/tidal risk to site is considered to be low. From today (1 July), you will be able to check your flood risk, view areas benefiting from flood defences, and see which areas can receive flood warnings by using our new online flood risk map.. identifying flood risk areas as set out under the European Flood Directives (see section 3.3). JBA’s Groundwater Flood Map delineates areas that are at risk from flooding due to exceptional seasonal groundwater level rise in the unconfined Chalk aquifer. It might also be used in conjunction with a large number of other factors, e.g. Ground water flood risk is a pain to evaluate and risk maps are usually based on high level geology mapping and historic data. Coordinates: searches for River Basin Districts, catchments and water bodies within a 10 mile radius using latitudes and longitude or eastings and northings. Last updated: 05 June 2018. We're committed to ensuring our clients can access our data in a way that suits them. If you would like further information about flooding from groundwater you should contact your Lead Local Flood Authority.