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• EA Hydrological Boundaries

  The Hydrological Areas are a polygon dataset showing 139 hydrological units across England and parts of Wales, that have been defined by the Environment Agency. The units show areas that have...

  • Published by: Environment Agency
  • Updated: 15 December 2021

• Hydrological Open Data

  Hydrological data is available from around 7,000 stations across England. This includes river flow, river level, groundwater and rainfall. Data consists of high resolution data (mainly 15 min) as...

  • Published by: Environment Agency

• WFD Cycle 2 river hydrology classification

  This dataset is a subset of "WFD Classification Status Cycle 2" and contains classification data for hydrological regime. A river can only hold a healthy biological population if there is...

  • Published by: Environment Agency

• WFD Management Catchment Cycle 1

  The 'WFD Management Catchments Cycle 1' dataset is a polygon Shapefile defined for the implementation of the Water Framework Directive. Management catchments are the unit of geography for which...

  • Published by: Environment Agency
  • Updated: 13 October 2009

• Preliminary Flood Risk Assessment Map (Cycle 2) – South West River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the South West River Basin District. The...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – Anglian River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the Anglian River Basin District. The map...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – North West River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the North West River Basin District. The...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – Solway Tweed River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the Solway Tweed River Basin District. The...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – Thames River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the Thames River Basin District. The map...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – Humber River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the Humber River Basin District. The map...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – Dee River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the Dee River Basin District. The map shows...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – Northumbria River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the Northumbria River Basin District. The...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – Severn River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the Severn River Basin District. The map...

  • Published by: Environment Agency

• Preliminary Flood Risk Assessment Map (Cycle 2) – South East River Basin District

  This dataset consists of an interactive map (and supporting guidance) containing background information that informs how we understand flood risk across the South East River Basin District. The...

  • Published by: Environment Agency

• Nutrient Neutrality Catchments (England)

  This is a spatial dataset showing the extent and location of surface water catchment area of relevant designated sites, constituting Nutrient Neutrality catchments. Extracted from N2K Diffuse Water...

  • Published by: Natural England
  • Updated: 10 July 2024

• Living England Habitat Map (Phase 4)

  The Living England project, led by Natural England, is a multi-year programme delivering a satellite-derived national habitat layer in support of the Environmental Land Management (ELM) System and...

  • Published by: Natural England
  • Updated: 31 March 2022

• Water Framework Directive (WFD) Surface Water Operational Catchments Cycle 3

  This is a polygon dataset showing Surface Water Operational Catchments, created to meet the requirements of the Water Framework Directive (WFD). Operational Catchments are larger than catchments...

  • Published by: Environment Agency
  • Updated: 1 March 2024

• WFD River Basin Districts Cycle 1

  WFD River Basin Districts is a polygon Shapefile dataset containing attributes that have been defined for the implementation of the Water Framework Directive (WFD). as '…the area of land and sea,...

  • Published by: Environment Agency
  • Updated: 13 October 2009

• Nitrate Vulnerable Zones (NVZ) 2017 - Combined (Final Designations)

  PLEASE NOTE: This dataset has been retired, as it has been superseded by the dataset for Nitrate Vulnerable Zones (NVZ) 2021 Designations. See:...

  • Published by: Environment Agency

• Nitrate Vulnerable Zones (NVZ) 2021 Designations

  This dataset identifies Nitrate Vulnerable Zones for implementation in 2021.

  The designations are made by the Secretary of State for the purposes of the Nitrate Pollution Prevention Regulations...

  • Published by: Environment Agency