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• 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

• 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

• 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

• Overland Flow Pathways

  The Most Probable Overland Flow Pathway dataset is a polyline GIS vector dataset that describes the likely flow routes of water along with potential accumulations of diffuse pollution and soil...

  • Published by: Environment Agency
  • Updated: 3 January 2024

• Climate Change Allowances - Peak River Flow by Management Catchment

  This dataset contains peak river flow allowances showing the anticipated changes to peak flow by management catchment. It contains information generated by UK Centre for Ecology and Hydrology...

  • Published by: Environment Agency
  • Updated: 9 December 2020

• Mini-catchment weir records from an impact study of drain cleaning on water flows (Coalburn, Scotland)

  Coalburn in the north of England is Britain's longest running forest hydrology research catchment, providing a unique record of the long-term effects of conifer afforestation on upland water...

  • Published by: Forestry Commission
  • Updated: 30 November 2015

• 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

• WFD River Waterbody Catchments Cycle 1

  The 'WFD River Water body Catchments Cycle 1' dataset is a polygon Shapefile defined for the implementation of the Water Framework Directive. Catchments are defined as an area of land from which...

  • Published by: Environment Agency
  • Updated: 18 January 2011

• 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

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

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

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

• WFD Groundwaterbodies Cycle 1

  WFD Groundwater Bodies Cycle 1 is a polygon Shapefile dataset containing attributes that have been collated as defined for the implementation of the Water Framework Directive (WFD). ie '…all water...

  • Published by: Environment Agency
  • Updated: 18 July 2016

• 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

• Nitrate Vulnerable Zones (NVZ) 2017 - Combined (Pre appeals 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

• WFD Surface Water Management Catchments Cycle 2

  This record is for Approval for Access product AfA433. WFD Management Catchments Cycle 2 is a polygon Shapefile dataset collated as defined for the implementation of the Water Framework Directive...

  • Published by: Environment Agency
  • Updated: 30 October 2014

• WFD River Basin Districts Cycle 2

  WFD River Basin Districts is a polygon Shapefile dataset containing attributes that have been collated as defined for the implementation of the Water Framework Directive (WFD). Article 2, clause 2...

  • Published by: Environment Agency
  • Updated: 30 October 2014

• Source Protection Zones [Merged]

  Source Protection Zones [Merged] have been created as public facing outlines where common boundaries and overlaps (based on zone number) have been removed. Source Protection Zones (SPZs) are...

  • Published by: Environment Agency
  • Updated: 1 July 2025

• Natural Capital County Atlas Mapping (England)

  This spatial dataset is an output of the Natural England County & City Natural Capital Atlas project (July 2020). It shows variation in ecosystem service flow for habitats across England, based on...

  • Published by: Natural England

• Water Framework Directive (WFD) River Water Body Catchments Cycle 3 Classification 2019 (Simplified)

  This is a polygon dataset showing Water Framework Directive (WFD) River Water Body Catchments. The catchments are associated with a single river water body.

  This dataset also contains coastal...

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

• Water Framework Directive (WFD) River Water Body Catchments Cycle 3 Classification 2022 (Simplified)

  This is a polygon dataset showing Water Framework Directive (WFD) River Water Body Catchments. The catchments are associated with a single river water body.

  This dataset also contains coastal...

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